Home / 99,345.16-137,026.92-67,458.70

Finding the Fourth Proportional to 99,345.16, 137,026.92 and 67,458.70

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Solution

The fourth proportional to 99,345.16, 137,026.92 and 67,458.70 is: 93,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,345.16 : 137,026.92 = 67,458.70 : x
  2. Step 2: Convert to fraction form
    99,345.16/137,026.92 = 67,458.70/x
  3. Step 3: Cross multiply
    99,345.16x = 137,026.92 × 67,458.70
  4. Step 4: Simplify right side
    99,345.16x = 9,243,657,888.20
  5. Step 5: Solve for x
    x = 9,243,657,888.20/99,345.16
  6. Step 6: Final answer
    x = 93,045.88

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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.