Home / 129,908.18-194,867.75-41,159.72

Finding the Fourth Proportional to 129,908.18, 194,867.75 and 41,159.72

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Solution

The fourth proportional to 129,908.18, 194,867.75 and 41,159.72 is: 61,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,908.18 : 194,867.75 = 41,159.72 : x
  2. Step 2: Convert to fraction form
    129,908.18/194,867.75 = 41,159.72/x
  3. Step 3: Cross multiply
    129,908.18x = 194,867.75 × 41,159.72
  4. Step 4: Simplify right side
    129,908.18x = 8,020,702,617.10
  5. Step 5: Solve for x
    x = 8,020,702,617.10/129,908.18
  6. Step 6: Final answer
    x = 61,741.32

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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.