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Finding the Fourth Proportional to 119,804.10, 179,332.20 and 88,249.74

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Solution

The fourth proportional to 119,804.10, 179,332.20 and 88,249.74 is: 132,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.10 : 179,332.20 = 88,249.74 : x
  2. Step 2: Convert to fraction form
    119,804.10/179,332.20 = 88,249.74/x
  3. Step 3: Cross multiply
    119,804.10x = 179,332.20 × 88,249.74
  4. Step 4: Simplify right side
    119,804.10x = 15,826,020,023.63
  5. Step 5: Solve for x
    x = 15,826,020,023.63/119,804.10
  6. Step 6: Final answer
    x = 132,099.15

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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.