Home / 231,237.05-319,158.61-140,573.81

Finding the Fourth Proportional to 231,237.05, 319,158.61 and 140,573.81

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Solution

The fourth proportional to 231,237.05, 319,158.61 and 140,573.81 is: 194,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,237.05 : 319,158.61 = 140,573.81 : x
  2. Step 2: Convert to fraction form
    231,237.05/319,158.61 = 140,573.81/x
  3. Step 3: Cross multiply
    231,237.05x = 319,158.61 × 140,573.81
  4. Step 4: Simplify right side
    231,237.05x = 44,865,342,248.47
  5. Step 5: Solve for x
    x = 44,865,342,248.47/231,237.05
  6. Step 6: Final answer
    x = 194,023.16

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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.