Home / 130,156.40-179,613.96-73,565.84

Finding the Fourth Proportional to 130,156.40, 179,613.96 and 73,565.84

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Solution

The fourth proportional to 130,156.40, 179,613.96 and 73,565.84 is: 101,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156.40 : 179,613.96 = 73,565.84 : x
  2. Step 2: Convert to fraction form
    130,156.40/179,613.96 = 73,565.84/x
  3. Step 3: Cross multiply
    130,156.40x = 179,613.96 × 73,565.84
  4. Step 4: Simplify right side
    130,156.40x = 13,213,451,843.13
  5. Step 5: Solve for x
    x = 13,213,451,843.13/130,156.40
  6. Step 6: Final answer
    x = 101,519.80

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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.