Home / 129,656.08-194,170.60-107,304.92

Finding the Fourth Proportional to 129,656.08, 194,170.60 and 107,304.92

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Solution

The fourth proportional to 129,656.08, 194,170.60 and 107,304.92 is: 160,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,656.08 : 194,170.60 = 107,304.92 : x
  2. Step 2: Convert to fraction form
    129,656.08/194,170.60 = 107,304.92/x
  3. Step 3: Cross multiply
    129,656.08x = 194,170.60 × 107,304.92
  4. Step 4: Simplify right side
    129,656.08x = 20,835,460,699.35
  5. Step 5: Solve for x
    x = 20,835,460,699.35/129,656.08
  6. Step 6: Final answer
    x = 160,697.91

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1.5x scale

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.