Home / 132,320.64-182,601.72-71,890.86

Finding the Fourth Proportional to 132,320.64, 182,601.72 and 71,890.86

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Solution

The fourth proportional to 132,320.64, 182,601.72 and 71,890.86 is: 99,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.64 : 182,601.72 = 71,890.86 : x
  2. Step 2: Convert to fraction form
    132,320.64/182,601.72 = 71,890.86/x
  3. Step 3: Cross multiply
    132,320.64x = 182,601.72 × 71,890.86
  4. Step 4: Simplify right side
    132,320.64x = 13,127,394,688.28
  5. Step 5: Solve for x
    x = 13,127,394,688.28/132,320.64
  6. Step 6: Final answer
    x = 99,208.97

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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.