Home / 72,233.17-108,354.51-18,926.45

Finding the Fourth Proportional to 72,233.17, 108,354.51 and 18,926.45

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Solution

The fourth proportional to 72,233.17, 108,354.51 and 18,926.45 is: 28,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.17 : 108,354.51 = 18,926.45 : x
  2. Step 2: Convert to fraction form
    72,233.17/108,354.51 = 18,926.45/x
  3. Step 3: Cross multiply
    72,233.17x = 108,354.51 × 18,926.45
  4. Step 4: Simplify right side
    72,233.17x = 2,050,766,439.36
  5. Step 5: Solve for x
    x = 2,050,766,439.36/72,233.17
  6. Step 6: Final answer
    x = 28,390.92

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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.