Home / 103,724.40-155,228.20-62,201.20

Finding the Fourth Proportional to 103,724.40, 155,228.20 and 62,201.20

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Solution

The fourth proportional to 103,724.40, 155,228.20 and 62,201.20 is: 93,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.40 : 155,228.20 = 62,201.20 : x
  2. Step 2: Convert to fraction form
    103,724.40/155,228.20 = 62,201.20/x
  3. Step 3: Cross multiply
    103,724.40x = 155,228.20 × 62,201.20
  4. Step 4: Simplify right side
    103,724.40x = 9,655,380,313.84
  5. Step 5: Solve for x
    x = 9,655,380,313.84/103,724.40
  6. Step 6: Final answer
    x = 93,086.88

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1.5x scale

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.