Home / 129,673.48-194,510.24-40,933.88

Finding the Fourth Proportional to 129,673.48, 194,510.24 and 40,933.88

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Solution

The fourth proportional to 129,673.48, 194,510.24 and 40,933.88 is: 61,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,673.48 : 194,510.24 = 40,933.88 : x
  2. Step 2: Convert to fraction form
    129,673.48/194,510.24 = 40,933.88/x
  3. Step 3: Cross multiply
    129,673.48x = 194,510.24 × 40,933.88
  4. Step 4: Simplify right side
    129,673.48x = 7,962,058,822.93
  5. Step 5: Solve for x
    x = 7,962,058,822.93/129,673.48
  6. Step 6: Final answer
    x = 61,400.83

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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.