Home / 132,569.44-182,949.20-72,143.36

Finding the Fourth Proportional to 132,569.44, 182,949.20 and 72,143.36

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Solution

The fourth proportional to 132,569.44, 182,949.20 and 72,143.36 is: 99,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.44 : 182,949.20 = 72,143.36 : x
  2. Step 2: Convert to fraction form
    132,569.44/182,949.20 = 72,143.36/x
  3. Step 3: Cross multiply
    132,569.44x = 182,949.20 × 72,143.36
  4. Step 4: Simplify right side
    132,569.44x = 13,198,569,997.31
  5. Step 5: Solve for x
    x = 13,198,569,997.31/132,569.44
  6. Step 6: Final answer
    x = 99,559.67

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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.