Home / 103,432.55-155,167.05-36,911.30

Finding the Fourth Proportional to 103,432.55, 155,167.05 and 36,911.30

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Solution

The fourth proportional to 103,432.55, 155,167.05 and 36,911.30 is: 55,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432.55 : 155,167.05 = 36,911.30 : x
  2. Step 2: Convert to fraction form
    103,432.55/155,167.05 = 36,911.30/x
  3. Step 3: Cross multiply
    103,432.55x = 155,167.05 × 36,911.30
  4. Step 4: Simplify right side
    103,432.55x = 5,727,417,532.67
  5. Step 5: Solve for x
    x = 5,727,417,532.67/103,432.55
  6. Step 6: Final answer
    x = 55,373.45

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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.