Home / 99,946.52-137,912.86-64,184.97

Finding the Fourth Proportional to 99,946.52, 137,912.86 and 64,184.97

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Solution

The fourth proportional to 99,946.52, 137,912.86 and 64,184.97 is: 88,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.52 : 137,912.86 = 64,184.97 : x
  2. Step 2: Convert to fraction form
    99,946.52/137,912.86 = 64,184.97/x
  3. Step 3: Cross multiply
    99,946.52x = 137,912.86 × 64,184.97
  4. Step 4: Simplify right side
    99,946.52x = 8,851,932,781.71
  5. Step 5: Solve for x
    x = 8,851,932,781.71/99,946.52
  6. Step 6: Final answer
    x = 88,566.69

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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.