Home / 212,211.52-292,753.44-127,180.96

Finding the Fourth Proportional to 212,211.52, 292,753.44 and 127,180.96

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Solution

The fourth proportional to 212,211.52, 292,753.44 and 127,180.96 is: 175,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,211.52 : 292,753.44 = 127,180.96 : x
  2. Step 2: Convert to fraction form
    212,211.52/292,753.44 = 127,180.96/x
  3. Step 3: Cross multiply
    212,211.52x = 292,753.44 × 127,180.96
  4. Step 4: Simplify right side
    212,211.52x = 37,232,663,542.50
  5. Step 5: Solve for x
    x = 37,232,663,542.50/212,211.52
  6. Step 6: Final answer
    x = 175,450.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.