Home / 141,523.61-212,278.49-52,770.20

Finding the Fourth Proportional to 141,523.61, 212,278.49 and 52,770.20

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Solution

The fourth proportional to 141,523.61, 212,278.49 and 52,770.20 is: 79,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,523.61 : 212,278.49 = 52,770.20 : x
  2. Step 2: Convert to fraction form
    141,523.61/212,278.49 = 52,770.20/x
  3. Step 3: Cross multiply
    141,523.61x = 212,278.49 × 52,770.20
  4. Step 4: Simplify right side
    141,523.61x = 11,201,977,311.61
  5. Step 5: Solve for x
    x = 11,201,977,311.61/141,523.61
  6. Step 6: Final answer
    x = 79,152.71

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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.