Home / 132,180.72-182,409.48-71,751.34

Finding the Fourth Proportional to 132,180.72, 182,409.48 and 71,751.34

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Solution

The fourth proportional to 132,180.72, 182,409.48 and 71,751.34 is: 99,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.72 : 182,409.48 = 71,751.34 : x
  2. Step 2: Convert to fraction form
    132,180.72/182,409.48 = 71,751.34/x
  3. Step 3: Cross multiply
    132,180.72x = 182,409.48 × 71,751.34
  4. Step 4: Simplify right side
    132,180.72x = 13,088,124,618.70
  5. Step 5: Solve for x
    x = 13,088,124,618.70/132,180.72
  6. Step 6: Final answer
    x = 99,016.90

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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.