Home / 119,793.08-179,549.89-90,115.49

Finding the Fourth Proportional to 119,793.08, 179,549.89 and 90,115.49

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Solution

The fourth proportional to 119,793.08, 179,549.89 and 90,115.49 is: 135,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,793.08 : 179,549.89 = 90,115.49 : x
  2. Step 2: Convert to fraction form
    119,793.08/179,549.89 = 90,115.49/x
  3. Step 3: Cross multiply
    119,793.08x = 179,549.89 × 90,115.49
  4. Step 4: Simplify right side
    119,793.08x = 16,180,225,867.92
  5. Step 5: Solve for x
    x = 16,180,225,867.92/119,793.08
  6. Step 6: Final answer
    x = 135,068.12

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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.