Home / 110,380.89-152,321.40-62,631.39

Finding the Fourth Proportional to 110,380.89, 152,321.40 and 62,631.39

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Solution

The fourth proportional to 110,380.89, 152,321.40 and 62,631.39 is: 86,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,380.89 : 152,321.40 = 62,631.39 : x
  2. Step 2: Convert to fraction form
    110,380.89/152,321.40 = 62,631.39/x
  3. Step 3: Cross multiply
    110,380.89x = 152,321.40 × 62,631.39
  4. Step 4: Simplify right side
    110,380.89x = 9,540,101,008.75
  5. Step 5: Solve for x
    x = 9,540,101,008.75/110,380.89
  6. Step 6: Final answer
    x = 86,428.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.