Home / 141,711.57-212,563.83-57,449.22

Finding the Fourth Proportional to 141,711.57, 212,563.83 and 57,449.22

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Solution

The fourth proportional to 141,711.57, 212,563.83 and 57,449.22 is: 86,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,711.57 : 212,563.83 = 57,449.22 : x
  2. Step 2: Convert to fraction form
    141,711.57/212,563.83 = 57,449.22/x
  3. Step 3: Cross multiply
    141,711.57x = 212,563.83 × 57,449.22
  4. Step 4: Simplify right side
    141,711.57x = 12,211,626,233.71
  5. Step 5: Solve for x
    x = 12,211,626,233.71/141,711.57
  6. Step 6: Final answer
    x = 86,172.40

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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.