Home / 109,741.50-151,431.12-61,984.71

Finding the Fourth Proportional to 109,741.50, 151,431.12 and 61,984.71

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Solution

The fourth proportional to 109,741.50, 151,431.12 and 61,984.71 is: 85,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.50 : 151,431.12 = 61,984.71 : x
  2. Step 2: Convert to fraction form
    109,741.50/151,431.12 = 61,984.71/x
  3. Step 3: Cross multiply
    109,741.50x = 151,431.12 × 61,984.71
  4. Step 4: Simplify right side
    109,741.50x = 9,386,414,058.18
  5. Step 5: Solve for x
    x = 9,386,414,058.18/109,741.50
  6. Step 6: Final answer
    x = 85,532.04

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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.