Home / 141,479.10-212,218.65-57,279.60

Finding the Fourth Proportional to 141,479.10, 212,218.65 and 57,279.60

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Solution

The fourth proportional to 141,479.10, 212,218.65 and 57,279.60 is: 85,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479.10 : 212,218.65 = 57,279.60 : x
  2. Step 2: Convert to fraction form
    141,479.10/212,218.65 = 57,279.60/x
  3. Step 3: Cross multiply
    141,479.10x = 212,218.65 × 57,279.60
  4. Step 4: Simplify right side
    141,479.10x = 12,155,799,384.54
  5. Step 5: Solve for x
    x = 12,155,799,384.54/141,479.10
  6. Step 6: Final answer
    x = 85,919.40

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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.