Home / 141,966.10-212,949.15-42,141.70

Finding the Fourth Proportional to 141,966.10, 212,949.15 and 42,141.70

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Solution

The fourth proportional to 141,966.10, 212,949.15 and 42,141.70 is: 63,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.10 : 212,949.15 = 42,141.70 : x
  2. Step 2: Convert to fraction form
    141,966.10/212,949.15 = 42,141.70/x
  3. Step 3: Cross multiply
    141,966.10x = 212,949.15 × 42,141.70
  4. Step 4: Simplify right side
    141,966.10x = 8,974,039,194.56
  5. Step 5: Solve for x
    x = 8,974,039,194.56/141,966.10
  6. Step 6: Final answer
    x = 63,212.55

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1.5x scale

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.