Home / 132,258.40-182,516.70-71,828.80

Finding the Fourth Proportional to 132,258.40, 182,516.70 and 71,828.80

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Solution

The fourth proportional to 132,258.40, 182,516.70 and 71,828.80 is: 99,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,258.40 : 182,516.70 = 71,828.80 : x
  2. Step 2: Convert to fraction form
    132,258.40/182,516.70 = 71,828.80/x
  3. Step 3: Cross multiply
    132,258.40x = 182,516.70 × 71,828.80
  4. Step 4: Simplify right side
    132,258.40x = 13,109,955,540.96
  5. Step 5: Solve for x
    x = 13,109,955,540.96/132,258.40
  6. Step 6: Final answer
    x = 99,123.80

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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.