Home / 132,389.08-182,698.16-71,959.87

Finding the Fourth Proportional to 132,389.08, 182,698.16 and 71,959.87

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Solution

The fourth proportional to 132,389.08, 182,698.16 and 71,959.87 is: 99,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.08 : 182,698.16 = 71,959.87 : x
  2. Step 2: Convert to fraction form
    132,389.08/182,698.16 = 71,959.87/x
  3. Step 3: Cross multiply
    132,389.08x = 182,698.16 × 71,959.87
  4. Step 4: Simplify right side
    132,389.08x = 13,146,935,399.96
  5. Step 5: Solve for x
    x = 13,146,935,399.96/132,389.08
  6. Step 6: Final answer
    x = 99,305.28

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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.