Home / 125,621.22-188,432.91-36,876.18

Finding the Fourth Proportional to 125,621.22, 188,432.91 and 36,876.18

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Solution

The fourth proportional to 125,621.22, 188,432.91 and 36,876.18 is: 55,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.22 : 188,432.91 = 36,876.18 : x
  2. Step 2: Convert to fraction form
    125,621.22/188,432.91 = 36,876.18/x
  3. Step 3: Cross multiply
    125,621.22x = 188,432.91 × 36,876.18
  4. Step 4: Simplify right side
    125,621.22x = 6,948,685,907.08
  5. Step 5: Solve for x
    x = 6,948,685,907.08/125,621.22
  6. Step 6: Final answer
    x = 55,314.59

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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.