Home / 132,178.80-182,409.96-71,751.92

Finding the Fourth Proportional to 132,178.80, 182,409.96 and 71,751.92

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Solution

The fourth proportional to 132,178.80, 182,409.96 and 71,751.92 is: 99,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,178.80 : 182,409.96 = 71,751.92 : x
  2. Step 2: Convert to fraction form
    132,178.80/182,409.96 = 71,751.92/x
  3. Step 3: Cross multiply
    132,178.80x = 182,409.96 × 71,751.92
  4. Step 4: Simplify right side
    132,178.80x = 13,088,264,857.12
  5. Step 5: Solve for x
    x = 13,088,264,857.12/132,178.80
  6. Step 6: Final answer
    x = 99,019.40

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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.