Home / 132,128.19-182,337.40-71,698.85

Finding the Fourth Proportional to 132,128.19, 182,337.40 and 71,698.85

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Solution

The fourth proportional to 132,128.19, 182,337.40 and 71,698.85 is: 98,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128.19 : 182,337.40 = 71,698.85 : x
  2. Step 2: Convert to fraction form
    132,128.19/182,337.40 = 71,698.85/x
  3. Step 3: Cross multiply
    132,128.19x = 182,337.40 × 71,698.85
  4. Step 4: Simplify right side
    132,128.19x = 13,073,381,484.82
  5. Step 5: Solve for x
    x = 13,073,381,484.82/132,128.19
  6. Step 6: Final answer
    x = 98,944.68

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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.