Home / 129,748.39-194,621.40-41,001.89

Finding the Fourth Proportional to 129,748.39, 194,621.40 and 41,001.89

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Solution

The fourth proportional to 129,748.39, 194,621.40 and 41,001.89 is: 61,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.39 : 194,621.40 = 41,001.89 : x
  2. Step 2: Convert to fraction form
    129,748.39/194,621.40 = 41,001.89/x
  3. Step 3: Cross multiply
    129,748.39x = 194,621.40 × 41,001.89
  4. Step 4: Simplify right side
    129,748.39x = 7,979,844,261.34
  5. Step 5: Solve for x
    x = 7,979,844,261.34/129,748.39
  6. Step 6: Final answer
    x = 61,502.45

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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.