Home / 132,305.07-182,596.64-78,590.30

Finding the Fourth Proportional to 132,305.07, 182,596.64 and 78,590.30

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Solution

The fourth proportional to 132,305.07, 182,596.64 and 78,590.30 is: 108,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.07 : 182,596.64 = 78,590.30 : x
  2. Step 2: Convert to fraction form
    132,305.07/182,596.64 = 78,590.30/x
  3. Step 3: Cross multiply
    132,305.07x = 182,596.64 × 78,590.30
  4. Step 4: Simplify right side
    132,305.07x = 14,350,324,684.82
  5. Step 5: Solve for x
    x = 14,350,324,684.82/132,305.07
  6. Step 6: Final answer
    x = 108,463.91

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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.