Home / 129,655.08-194,169.10-107,303.92

Finding the Fourth Proportional to 129,655.08, 194,169.10 and 107,303.92

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Solution

The fourth proportional to 129,655.08, 194,169.10 and 107,303.92 is: 160,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655.08 : 194,169.10 = 107,303.92 : x
  2. Step 2: Convert to fraction form
    129,655.08/194,169.10 = 107,303.92/x
  3. Step 3: Cross multiply
    129,655.08x = 194,169.10 × 107,303.92
  4. Step 4: Simplify right side
    129,655.08x = 20,835,105,572.87
  5. Step 5: Solve for x
    x = 20,835,105,572.87/129,655.08
  6. Step 6: Final answer
    x = 160,696.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.