Home / 121,881.30-182,849.28-42,996.18

Finding the Fourth Proportional to 121,881.30, 182,849.28 and 42,996.18

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Solution

The fourth proportional to 121,881.30, 182,849.28 and 42,996.18 is: 64,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,881.30 : 182,849.28 = 42,996.18 : x
  2. Step 2: Convert to fraction form
    121,881.30/182,849.28 = 42,996.18/x
  3. Step 3: Cross multiply
    121,881.30x = 182,849.28 × 42,996.18
  4. Step 4: Simplify right side
    121,881.30x = 7,861,820,555.75
  5. Step 5: Solve for x
    x = 7,861,820,555.75/121,881.30
  6. Step 6: Final answer
    x = 64,503.91

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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.