Home / 126,962.21-190,474.79-89,595.29

Finding the Fourth Proportional to 126,962.21, 190,474.79 and 89,595.29

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Solution

The fourth proportional to 126,962.21, 190,474.79 and 89,595.29 is: 134,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,962.21 : 190,474.79 = 89,595.29 : x
  2. Step 2: Convert to fraction form
    126,962.21/190,474.79 = 89,595.29/x
  3. Step 3: Cross multiply
    126,962.21x = 190,474.79 × 89,595.29
  4. Step 4: Simplify right side
    126,962.21x = 17,065,642,647.39
  5. Step 5: Solve for x
    x = 17,065,642,647.39/126,962.21
  6. Step 6: Final answer
    x = 134,415.14

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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.