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Finding the Fourth Proportional to 119,750.80, 179,627.82 and 57,406.72

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Solution

The fourth proportional to 119,750.80, 179,627.82 and 57,406.72 is: 86,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,750.80 : 179,627.82 = 57,406.72 : x
  2. Step 2: Convert to fraction form
    119,750.80/179,627.82 = 57,406.72/x
  3. Step 3: Cross multiply
    119,750.80x = 179,627.82 × 57,406.72
  4. Step 4: Simplify right side
    119,750.80x = 10,311,843,966.95
  5. Step 5: Solve for x
    x = 10,311,843,966.95/119,750.80
  6. Step 6: Final answer
    x = 86,110.86

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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.