Home / 121,444.80-182,123.43-51,329.58

Finding the Fourth Proportional to 121,444.80, 182,123.43 and 51,329.58

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Solution

The fourth proportional to 121,444.80, 182,123.43 and 51,329.58 is: 76,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.80 : 182,123.43 = 51,329.58 : x
  2. Step 2: Convert to fraction form
    121,444.80/182,123.43 = 51,329.58/x
  3. Step 3: Cross multiply
    121,444.80x = 182,123.43 × 51,329.58
  4. Step 4: Simplify right side
    121,444.80x = 9,348,319,170.06
  5. Step 5: Solve for x
    x = 9,348,319,170.06/121,444.80
  6. Step 6: Final answer
    x = 76,975.87

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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.