Home / 130,264.92-179,766.12-73,687.20

Finding the Fourth Proportional to 130,264.92, 179,766.12 and 73,687.20

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Solution

The fourth proportional to 130,264.92, 179,766.12 and 73,687.20 is: 101,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,264.92 : 179,766.12 = 73,687.20 : x
  2. Step 2: Convert to fraction form
    130,264.92/179,766.12 = 73,687.20/x
  3. Step 3: Cross multiply
    130,264.92x = 179,766.12 × 73,687.20
  4. Step 4: Simplify right side
    130,264.92x = 13,246,462,037.66
  5. Step 5: Solve for x
    x = 13,246,462,037.66/130,264.92
  6. Step 6: Final answer
    x = 101,688.64

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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.