Home / 141,876.87-212,837.18-48,360.75

Finding the Fourth Proportional to 141,876.87, 212,837.18 and 48,360.75

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Solution

The fourth proportional to 141,876.87, 212,837.18 and 48,360.75 is: 72,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,876.87 : 212,837.18 = 48,360.75 : x
  2. Step 2: Convert to fraction form
    141,876.87/212,837.18 = 48,360.75/x
  3. Step 3: Cross multiply
    141,876.87x = 212,837.18 × 48,360.75
  4. Step 4: Simplify right side
    141,876.87x = 10,292,965,410.88
  5. Step 5: Solve for x
    x = 10,292,965,410.88/141,876.87
  6. Step 6: Final answer
    x = 72,548.58

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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.