Home / 141,941.20-212,932.20-47,139.16

Finding the Fourth Proportional to 141,941.20, 212,932.20 and 47,139.16

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Solution

The fourth proportional to 141,941.20, 212,932.20 and 47,139.16 is: 70,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,941.20 : 212,932.20 = 47,139.16 : x
  2. Step 2: Convert to fraction form
    141,941.20/212,932.20 = 47,139.16/x
  3. Step 3: Cross multiply
    141,941.20x = 212,932.20 × 47,139.16
  4. Step 4: Simplify right side
    141,941.20x = 10,037,445,044.95
  5. Step 5: Solve for x
    x = 10,037,445,044.95/141,941.20
  6. Step 6: Final answer
    x = 70,715.51

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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.