Home / 121,318.98-182,080.71-51,248.58

Finding the Fourth Proportional to 121,318.98, 182,080.71 and 51,248.58

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Solution

The fourth proportional to 121,318.98, 182,080.71 and 51,248.58 is: 76,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,318.98 : 182,080.71 = 51,248.58 : x
  2. Step 2: Convert to fraction form
    121,318.98/182,080.71 = 51,248.58/x
  3. Step 3: Cross multiply
    121,318.98x = 182,080.71 × 51,248.58
  4. Step 4: Simplify right side
    121,318.98x = 9,331,377,832.89
  5. Step 5: Solve for x
    x = 9,331,377,832.89/121,318.98
  6. Step 6: Final answer
    x = 76,916.06

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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.