Home / 131,659.08-197,509.10-42,891.92

Finding the Fourth Proportional to 131,659.08, 197,509.10 and 42,891.92

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Solution

The fourth proportional to 131,659.08, 197,509.10 and 42,891.92 is: 64,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.08 : 197,509.10 = 42,891.92 : x
  2. Step 2: Convert to fraction form
    131,659.08/197,509.10 = 42,891.92/x
  3. Step 3: Cross multiply
    131,659.08x = 197,509.10 × 42,891.92
  4. Step 4: Simplify right side
    131,659.08x = 8,471,544,516.47
  5. Step 5: Solve for x
    x = 8,471,544,516.47/131,659.08
  6. Step 6: Final answer
    x = 64,344.55

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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.