Home / 120,458.17-180,713.13-36,211.33

Finding the Fourth Proportional to 120,458.17, 180,713.13 and 36,211.33

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Solution

The fourth proportional to 120,458.17, 180,713.13 and 36,211.33 is: 54,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458.17 : 180,713.13 = 36,211.33 : x
  2. Step 2: Convert to fraction form
    120,458.17/180,713.13 = 36,211.33/x
  3. Step 3: Cross multiply
    120,458.17x = 180,713.13 × 36,211.33
  4. Step 4: Simplify right side
    120,458.17x = 6,543,862,785.76
  5. Step 5: Solve for x
    x = 6,543,862,785.76/120,458.17
  6. Step 6: Final answer
    x = 54,324.77

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1.5x scale

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.