Home / 129,983.46-179,353.71-75,538.08

Finding the Fourth Proportional to 129,983.46, 179,353.71 and 75,538.08

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Solution

The fourth proportional to 129,983.46, 179,353.71 and 75,538.08 is: 104,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.46 : 179,353.71 = 75,538.08 : x
  2. Step 2: Convert to fraction form
    129,983.46/179,353.71 = 75,538.08/x
  3. Step 3: Cross multiply
    129,983.46x = 179,353.71 × 75,538.08
  4. Step 4: Simplify right side
    129,983.46x = 13,548,034,894.28
  5. Step 5: Solve for x
    x = 13,548,034,894.28/129,983.46
  6. Step 6: Final answer
    x = 104,228.91

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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.