Home / 119,135.58-178,707.66-59,939.04

Finding the Fourth Proportional to 119,135.58, 178,707.66 and 59,939.04

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Solution

The fourth proportional to 119,135.58, 178,707.66 and 59,939.04 is: 89,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.58 : 178,707.66 = 59,939.04 : x
  2. Step 2: Convert to fraction form
    119,135.58/178,707.66 = 59,939.04/x
  3. Step 3: Cross multiply
    119,135.58x = 178,707.66 × 59,939.04
  4. Step 4: Simplify right side
    119,135.58x = 10,711,565,581.05
  5. Step 5: Solve for x
    x = 10,711,565,581.05/119,135.58
  6. Step 6: Final answer
    x = 89,910.72

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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.