Home / 132,856.80-183,343.46-72,427.76

Finding the Fourth Proportional to 132,856.80, 183,343.46 and 72,427.76

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Solution

The fourth proportional to 132,856.80, 183,343.46 and 72,427.76 is: 99,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856.80 : 183,343.46 = 72,427.76 : x
  2. Step 2: Convert to fraction form
    132,856.80/183,343.46 = 72,427.76/x
  3. Step 3: Cross multiply
    132,856.80x = 183,343.46 × 72,427.76
  4. Step 4: Simplify right side
    132,856.80x = 13,279,156,118.45
  5. Step 5: Solve for x
    x = 13,279,156,118.45/132,856.80
  6. Step 6: Final answer
    x = 99,950.90

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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.