Home / 141,962.10-212,943.15-42,137.70

Finding the Fourth Proportional to 141,962.10, 212,943.15 and 42,137.70

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Solution

The fourth proportional to 141,962.10, 212,943.15 and 42,137.70 is: 63,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.10 : 212,943.15 = 42,137.70 : x
  2. Step 2: Convert to fraction form
    141,962.10/212,943.15 = 42,137.70/x
  3. Step 3: Cross multiply
    141,962.10x = 212,943.15 × 42,137.70
  4. Step 4: Simplify right side
    141,962.10x = 8,972,934,571.76
  5. Step 5: Solve for x
    x = 8,972,934,571.76/141,962.10
  6. Step 6: Final answer
    x = 63,206.55

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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.