Home / 132,545.74-182,852.85-78,800.26

Finding the Fourth Proportional to 132,545.74, 182,852.85 and 78,800.26

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Solution

The fourth proportional to 132,545.74, 182,852.85 and 78,800.26 is: 108,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545.74 : 182,852.85 = 78,800.26 : x
  2. Step 2: Convert to fraction form
    132,545.74/182,852.85 = 78,800.26/x
  3. Step 3: Cross multiply
    132,545.74x = 182,852.85 × 78,800.26
  4. Step 4: Simplify right side
    132,545.74x = 14,408,852,121.74
  5. Step 5: Solve for x
    x = 14,408,852,121.74/132,545.74
  6. Step 6: Final answer
    x = 108,708.53

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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.