Home / 195,627.60-292,519.80-145,861.20

Finding the Fourth Proportional to 195,627.60, 292,519.80 and 145,861.20

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Solution

The fourth proportional to 195,627.60, 292,519.80 and 145,861.20 is: 218,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,627.60 : 292,519.80 = 145,861.20 : x
  2. Step 2: Convert to fraction form
    195,627.60/292,519.80 = 145,861.20/x
  3. Step 3: Cross multiply
    195,627.60x = 292,519.80 × 145,861.20
  4. Step 4: Simplify right side
    195,627.60x = 42,667,289,051.76
  5. Step 5: Solve for x
    x = 42,667,289,051.76/195,627.60
  6. Step 6: Final answer
    x = 218,104.65

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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.