Home / 156,442.20-215,888.93-88,472.52

Finding the Fourth Proportional to 156,442.20, 215,888.93 and 88,472.52

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Solution

The fourth proportional to 156,442.20, 215,888.93 and 88,472.52 is: 122,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,442.20 : 215,888.93 = 88,472.52 : x
  2. Step 2: Convert to fraction form
    156,442.20/215,888.93 = 88,472.52/x
  3. Step 3: Cross multiply
    156,442.20x = 215,888.93 × 88,472.52
  4. Step 4: Simplify right side
    156,442.20x = 19,100,237,898.38
  5. Step 5: Solve for x
    x = 19,100,237,898.38/156,442.20
  6. Step 6: Final answer
    x = 122,091.34

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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.