Home / 136,182.69-204,306.86-42,688.44

Finding the Fourth Proportional to 136,182.69, 204,306.86 and 42,688.44

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Solution

The fourth proportional to 136,182.69, 204,306.86 and 42,688.44 is: 64,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,182.69 : 204,306.86 = 42,688.44 : x
  2. Step 2: Convert to fraction form
    136,182.69/204,306.86 = 42,688.44/x
  3. Step 3: Cross multiply
    136,182.69x = 204,306.86 × 42,688.44
  4. Step 4: Simplify right side
    136,182.69x = 8,721,541,241.42
  5. Step 5: Solve for x
    x = 8,721,541,241.42/136,182.69
  6. Step 6: Final answer
    x = 64,042.95

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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.