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Finding the Fourth Proportional to 119,675.80, 179,458.75 and 40,757.91

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Solution

The fourth proportional to 119,675.80, 179,458.75 and 40,757.91 is: 61,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,675.80 : 179,458.75 = 40,757.91 : x
  2. Step 2: Convert to fraction form
    119,675.80/179,458.75 = 40,757.91/x
  3. Step 3: Cross multiply
    119,675.80x = 179,458.75 × 40,757.91
  4. Step 4: Simplify right side
    119,675.80x = 7,314,363,581.21
  5. Step 5: Solve for x
    x = 7,314,363,581.21/119,675.80
  6. Step 6: Final answer
    x = 61,118.15

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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.