Home / 129,401.01-194,088.69-40,652.15

Finding the Fourth Proportional to 129,401.01, 194,088.69 and 40,652.15

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Solution

The fourth proportional to 129,401.01, 194,088.69 and 40,652.15 is: 60,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,401.01 : 194,088.69 = 40,652.15 : x
  2. Step 2: Convert to fraction form
    129,401.01/194,088.69 = 40,652.15/x
  3. Step 3: Cross multiply
    129,401.01x = 194,088.69 × 40,652.15
  4. Step 4: Simplify right side
    129,401.01x = 7,890,121,568.74
  5. Step 5: Solve for x
    x = 7,890,121,568.74/129,401.01
  6. Step 6: Final answer
    x = 60,974.19

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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.