Home / 126,681.20-190,010.87-37,954.61

Finding the Fourth Proportional to 126,681.20, 190,010.87 and 37,954.61

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Solution

The fourth proportional to 126,681.20, 190,010.87 and 37,954.61 is: 56,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,681.20 : 190,010.87 = 37,954.61 : x
  2. Step 2: Convert to fraction form
    126,681.20/190,010.87 = 37,954.61/x
  3. Step 3: Cross multiply
    126,681.20x = 190,010.87 × 37,954.61
  4. Step 4: Simplify right side
    126,681.20x = 7,211,788,276.84
  5. Step 5: Solve for x
    x = 7,211,788,276.84/126,681.20
  6. Step 6: Final answer
    x = 56,928.64

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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.