Home / 103,432.05-155,148.08-36,874.35

Finding the Fourth Proportional to 103,432.05, 155,148.08 and 36,874.35

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Solution

The fourth proportional to 103,432.05, 155,148.08 and 36,874.35 is: 55,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432.05 : 155,148.08 = 36,874.35 : x
  2. Step 2: Convert to fraction form
    103,432.05/155,148.08 = 36,874.35/x
  3. Step 3: Cross multiply
    103,432.05x = 155,148.08 × 36,874.35
  4. Step 4: Simplify right side
    103,432.05x = 5,720,984,419.38
  5. Step 5: Solve for x
    x = 5,720,984,419.38/103,432.05
  6. Step 6: Final answer
    x = 55,311.53

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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.