Home / 239,909.34-359,650.15-121,519.74

Finding the Fourth Proportional to 239,909.34, 359,650.15 and 121,519.74

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Solution

The fourth proportional to 239,909.34, 359,650.15 and 121,519.74 is: 182,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,909.34 : 359,650.15 = 121,519.74 : x
  2. Step 2: Convert to fraction form
    239,909.34/359,650.15 = 121,519.74/x
  3. Step 3: Cross multiply
    239,909.34x = 359,650.15 × 121,519.74
  4. Step 4: Simplify right side
    239,909.34x = 43,704,592,718.96
  5. Step 5: Solve for x
    x = 43,704,592,718.96/239,909.34
  6. Step 6: Final answer
    x = 182,171.28

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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.