Home / 103,342.08-155,040-29,475.84

Finding the Fourth Proportional to 103,342.08, 155,040 and 29,475.84

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Solution

The fourth proportional to 103,342.08, 155,040 and 29,475.84 is: 44,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.08 : 155,040 = 29,475.84 : x
  2. Step 2: Convert to fraction form
    103,342.08/155,040 = 29,475.84/x
  3. Step 3: Cross multiply
    103,342.08x = 155,040 × 29,475.84
  4. Step 4: Simplify right side
    103,342.08x = 4,569,934,233.60
  5. Step 5: Solve for x
    x = 4,569,934,233.60/103,342.08
  6. Step 6: Final answer
    x = 44,221.43

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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.