Home / 141,949.53-213,064.40-75,389.47

Finding the Fourth Proportional to 141,949.53, 213,064.40 and 75,389.47

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Solution

The fourth proportional to 141,949.53, 213,064.40 and 75,389.47 is: 113,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,949.53 : 213,064.40 = 75,389.47 : x
  2. Step 2: Convert to fraction form
    141,949.53/213,064.40 = 75,389.47/x
  3. Step 3: Cross multiply
    141,949.53x = 213,064.40 × 75,389.47
  4. Step 4: Simplify right side
    141,949.53x = 16,062,812,191.87
  5. Step 5: Solve for x
    x = 16,062,812,191.87/141,949.53
  6. Step 6: Final answer
    x = 113,158.61

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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.