Home / 132,143.90-182,359.92-71,715.08

Finding the Fourth Proportional to 132,143.90, 182,359.92 and 71,715.08

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Solution

The fourth proportional to 132,143.90, 182,359.92 and 71,715.08 is: 98,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,143.90 : 182,359.92 = 71,715.08 : x
  2. Step 2: Convert to fraction form
    132,143.90/182,359.92 = 71,715.08/x
  3. Step 3: Cross multiply
    132,143.90x = 182,359.92 × 71,715.08
  4. Step 4: Simplify right side
    132,143.90x = 13,077,956,251.59
  5. Step 5: Solve for x
    x = 13,077,956,251.59/132,143.90
  6. Step 6: Final answer
    x = 98,967.54

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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.