Home / 136,402.24-204,635.58-42,908

Finding the Fourth Proportional to 136,402.24, 204,635.58 and 42,908

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Solution

The fourth proportional to 136,402.24, 204,635.58 and 42,908 is: 64,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,402.24 : 204,635.58 = 42,908 : x
  2. Step 2: Convert to fraction form
    136,402.24/204,635.58 = 42,908/x
  3. Step 3: Cross multiply
    136,402.24x = 204,635.58 × 42,908
  4. Step 4: Simplify right side
    136,402.24x = 8,780,503,466.64
  5. Step 5: Solve for x
    x = 8,780,503,466.64/136,402.24
  6. Step 6: Final answer
    x = 64,372.14

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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.