Home / 129,870.03-194,657.40-54,943.41

Finding the Fourth Proportional to 129,870.03, 194,657.40 and 54,943.41

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Solution

The fourth proportional to 129,870.03, 194,657.40 and 54,943.41 is: 82,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870.03 : 194,657.40 = 54,943.41 : x
  2. Step 2: Convert to fraction form
    129,870.03/194,657.40 = 54,943.41/x
  3. Step 3: Cross multiply
    129,870.03x = 194,657.40 × 54,943.41
  4. Step 4: Simplify right side
    129,870.03x = 10,695,141,337.73
  5. Step 5: Solve for x
    x = 10,695,141,337.73/129,870.03
  6. Step 6: Final answer
    x = 82,352.65

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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.