Home / 112,328.62-155,016.11-61,341.70

Finding the Fourth Proportional to 112,328.62, 155,016.11 and 61,341.70

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Solution

The fourth proportional to 112,328.62, 155,016.11 and 61,341.70 is: 84,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.62 : 155,016.11 = 61,341.70 : x
  2. Step 2: Convert to fraction form
    112,328.62/155,016.11 = 61,341.70/x
  3. Step 3: Cross multiply
    112,328.62x = 155,016.11 × 61,341.70
  4. Step 4: Simplify right side
    112,328.62x = 9,508,951,020.54
  5. Step 5: Solve for x
    x = 9,508,951,020.54/112,328.62
  6. Step 6: Final answer
    x = 84,652.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.