Home / 129,935.60-179,310.12-73,345.04

Finding the Fourth Proportional to 129,935.60, 179,310.12 and 73,345.04

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Solution

The fourth proportional to 129,935.60, 179,310.12 and 73,345.04 is: 101,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,935.60 : 179,310.12 = 73,345.04 : x
  2. Step 2: Convert to fraction form
    129,935.60/179,310.12 = 73,345.04/x
  3. Step 3: Cross multiply
    129,935.60x = 179,310.12 × 73,345.04
  4. Step 4: Simplify right side
    129,935.60x = 13,151,507,923.80
  5. Step 5: Solve for x
    x = 13,151,507,923.80/129,935.60
  6. Step 6: Final answer
    x = 101,215.59

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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.