Home / 131,819.12-197,754.12-43,048.76

Finding the Fourth Proportional to 131,819.12, 197,754.12 and 43,048.76

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Solution

The fourth proportional to 131,819.12, 197,754.12 and 43,048.76 is: 64,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819.12 : 197,754.12 = 43,048.76 : x
  2. Step 2: Convert to fraction form
    131,819.12/197,754.12 = 43,048.76/x
  3. Step 3: Cross multiply
    131,819.12x = 197,754.12 × 43,048.76
  4. Step 4: Simplify right side
    131,819.12x = 8,513,069,650.89
  5. Step 5: Solve for x
    x = 8,513,069,650.89/131,819.12
  6. Step 6: Final answer
    x = 64,581.45

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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.