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Finding the Fourth Proportional to 137,495.27, 206,558.67 and 97,061.76

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Solution

The fourth proportional to 137,495.27, 206,558.67 and 97,061.76 is: 145,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,495.27 : 206,558.67 = 97,061.76 : x
  2. Step 2: Convert to fraction form
    137,495.27/206,558.67 = 97,061.76/x
  3. Step 3: Cross multiply
    137,495.27x = 206,558.67 × 97,061.76
  4. Step 4: Simplify right side
    137,495.27x = 20,048,948,417.44
  5. Step 5: Solve for x
    x = 20,048,948,417.44/137,495.27
  6. Step 6: Final answer
    x = 145,815.55

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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.