Home / 129,798.15-179,106.19-75,337.75

Finding the Fourth Proportional to 129,798.15, 179,106.19 and 75,337.75

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Solution

The fourth proportional to 129,798.15, 179,106.19 and 75,337.75 is: 103,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,798.15 : 179,106.19 = 75,337.75 : x
  2. Step 2: Convert to fraction form
    129,798.15/179,106.19 = 75,337.75/x
  3. Step 3: Cross multiply
    129,798.15x = 179,106.19 × 75,337.75
  4. Step 4: Simplify right side
    129,798.15x = 13,493,456,393.74
  5. Step 5: Solve for x
    x = 13,493,456,393.74/129,798.15
  6. Step 6: Final answer
    x = 103,957.24

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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.