Home / 134,761.72-202,186.32-64,646.52

Finding the Fourth Proportional to 134,761.72, 202,186.32 and 64,646.52

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Solution

The fourth proportional to 134,761.72, 202,186.32 and 64,646.52 is: 96,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,761.72 : 202,186.32 = 64,646.52 : x
  2. Step 2: Convert to fraction form
    134,761.72/202,186.32 = 64,646.52/x
  3. Step 3: Cross multiply
    134,761.72x = 202,186.32 × 64,646.52
  4. Step 4: Simplify right side
    134,761.72x = 13,070,641,979.61
  5. Step 5: Solve for x
    x = 13,070,641,979.61/134,761.72
  6. Step 6: Final answer
    x = 96,990.76

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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.