Home / 129,967.83-194,970.34-40,018.15

Finding the Fourth Proportional to 129,967.83, 194,970.34 and 40,018.15

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Solution

The fourth proportional to 129,967.83, 194,970.34 and 40,018.15 is: 60,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,967.83 : 194,970.34 = 40,018.15 : x
  2. Step 2: Convert to fraction form
    129,967.83/194,970.34 = 40,018.15/x
  3. Step 3: Cross multiply
    129,967.83x = 194,970.34 × 40,018.15
  4. Step 4: Simplify right side
    129,967.83x = 7,802,352,311.67
  5. Step 5: Solve for x
    x = 7,802,352,311.67/129,967.83
  6. Step 6: Final answer
    x = 60,032.95

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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.