Home / 130,384.66-179,910.27-75,945.78

Finding the Fourth Proportional to 130,384.66, 179,910.27 and 75,945.78

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Solution

The fourth proportional to 130,384.66, 179,910.27 and 75,945.78 is: 104,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384.66 : 179,910.27 = 75,945.78 : x
  2. Step 2: Convert to fraction form
    130,384.66/179,910.27 = 75,945.78/x
  3. Step 3: Cross multiply
    130,384.66x = 179,910.27 × 75,945.78
  4. Step 4: Simplify right side
    130,384.66x = 13,663,425,405.43
  5. Step 5: Solve for x
    x = 13,663,425,405.43/130,384.66
  6. Step 6: Final answer
    x = 104,793.20

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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.