Home / 130,187.30-179,659.17-75,771.72

Finding the Fourth Proportional to 130,187.30, 179,659.17 and 75,771.72

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Solution

The fourth proportional to 130,187.30, 179,659.17 and 75,771.72 is: 104,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,187.30 : 179,659.17 = 75,771.72 : x
  2. Step 2: Convert to fraction form
    130,187.30/179,659.17 = 75,771.72/x
  3. Step 3: Cross multiply
    130,187.30x = 179,659.17 × 75,771.72
  4. Step 4: Simplify right side
    130,187.30x = 13,613,084,324.67
  5. Step 5: Solve for x
    x = 13,613,084,324.67/130,187.30
  6. Step 6: Final answer
    x = 104,565.38

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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.