Home / 751,132.84-1,126,700.07-190,167.34

Finding the Fourth Proportional to 751,132.84, 1,126,700.07 and 190,167.34

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Solution

The fourth proportional to 751,132.84, 1,126,700.07 and 190,167.34 is: 285,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,132.84 : 1,126,700.07 = 190,167.34 : x
  2. Step 2: Convert to fraction form
    751,132.84/1,126,700.07 = 190,167.34/x
  3. Step 3: Cross multiply
    751,132.84x = 1,126,700.07 × 190,167.34
  4. Step 4: Simplify right side
    751,132.84x = 214,261,555,289.71
  5. Step 5: Solve for x
    x = 214,261,555,289.71/751,132.84
  6. Step 6: Final answer
    x = 285,251.22

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.