Home / 99,934.14-137,905.02-54,613.65

Finding the Fourth Proportional to 99,934.14, 137,905.02 and 54,613.65

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Solution

The fourth proportional to 99,934.14, 137,905.02 and 54,613.65 is: 75,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,934.14 : 137,905.02 = 54,613.65 : x
  2. Step 2: Convert to fraction form
    99,934.14/137,905.02 = 54,613.65/x
  3. Step 3: Cross multiply
    99,934.14x = 137,905.02 × 54,613.65
  4. Step 4: Simplify right side
    99,934.14x = 7,531,496,495.52
  5. Step 5: Solve for x
    x = 7,531,496,495.52/99,934.14
  6. Step 6: Final answer
    x = 75,364.60

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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.