Home / 132,211.06-182,450.54-71,781.21

Finding the Fourth Proportional to 132,211.06, 182,450.54 and 71,781.21

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Solution

The fourth proportional to 132,211.06, 182,450.54 and 71,781.21 is: 99,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,211.06 : 182,450.54 = 71,781.21 : x
  2. Step 2: Convert to fraction form
    132,211.06/182,450.54 = 71,781.21/x
  3. Step 3: Cross multiply
    132,211.06x = 182,450.54 × 71,781.21
  4. Step 4: Simplify right side
    132,211.06x = 13,096,520,705.81
  5. Step 5: Solve for x
    x = 13,096,520,705.81/132,211.06
  6. Step 6: Final answer
    x = 99,057.68

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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.