Home / 129,880.26-194,842.26-45,637.02

Finding the Fourth Proportional to 129,880.26, 194,842.26 and 45,637.02

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Solution

The fourth proportional to 129,880.26, 194,842.26 and 45,637.02 is: 68,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,880.26 : 194,842.26 = 45,637.02 : x
  2. Step 2: Convert to fraction form
    129,880.26/194,842.26 = 45,637.02/x
  3. Step 3: Cross multiply
    129,880.26x = 194,842.26 × 45,637.02
  4. Step 4: Simplify right side
    129,880.26x = 8,892,020,116.47
  5. Step 5: Solve for x
    x = 8,892,020,116.47/129,880.26
  6. Step 6: Final answer
    x = 68,463.21

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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.