Home / 141,879.34-212,821.12-42,049.66

Finding the Fourth Proportional to 141,879.34, 212,821.12 and 42,049.66

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Solution

The fourth proportional to 141,879.34, 212,821.12 and 42,049.66 is: 63,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.34 : 212,821.12 = 42,049.66 : x
  2. Step 2: Convert to fraction form
    141,879.34/212,821.12 = 42,049.66/x
  3. Step 3: Cross multiply
    141,879.34x = 212,821.12 × 42,049.66
  4. Step 4: Simplify right side
    141,879.34x = 8,949,055,736.82
  5. Step 5: Solve for x
    x = 8,949,055,736.82/141,879.34
  6. Step 6: Final answer
    x = 63,075.12

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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.