Home / 129,737.64-179,032.50-73,154.28

Finding the Fourth Proportional to 129,737.64, 179,032.50 and 73,154.28

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Solution

The fourth proportional to 129,737.64, 179,032.50 and 73,154.28 is: 100,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,737.64 : 179,032.50 = 73,154.28 : x
  2. Step 2: Convert to fraction form
    129,737.64/179,032.50 = 73,154.28/x
  3. Step 3: Cross multiply
    129,737.64x = 179,032.50 × 73,154.28
  4. Step 4: Simplify right side
    129,737.64x = 13,096,993,634.10
  5. Step 5: Solve for x
    x = 13,096,993,634.10/129,737.64
  6. Step 6: Final answer
    x = 100,949.84

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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.