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Finding the Fourth Proportional to 162,354.81, 224,146.53 and 101,977.14

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Solution

The fourth proportional to 162,354.81, 224,146.53 and 101,977.14 is: 140,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,354.81 : 224,146.53 = 101,977.14 : x
  2. Step 2: Convert to fraction form
    162,354.81/224,146.53 = 101,977.14/x
  3. Step 3: Cross multiply
    162,354.81x = 224,146.53 × 101,977.14
  4. Step 4: Simplify right side
    162,354.81x = 22,857,822,070.32
  5. Step 5: Solve for x
    x = 22,857,822,070.32/162,354.81
  6. Step 6: Final answer
    x = 140,789.31

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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.