Home / 212,731.26-293,565.18-115,935.88

Finding the Fourth Proportional to 212,731.26, 293,565.18 and 115,935.88

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Solution

The fourth proportional to 212,731.26, 293,565.18 and 115,935.88 is: 159,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,731.26 : 293,565.18 = 115,935.88 : x
  2. Step 2: Convert to fraction form
    212,731.26/293,565.18 = 115,935.88/x
  3. Step 3: Cross multiply
    212,731.26x = 293,565.18 × 115,935.88
  4. Step 4: Simplify right side
    212,731.26x = 34,034,737,480.66
  5. Step 5: Solve for x
    x = 34,034,737,480.66/212,731.26
  6. Step 6: Final answer
    x = 159,989.36

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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.