Home / 131,808.24-197,512.83-87,275.52

Finding the Fourth Proportional to 131,808.24, 197,512.83 and 87,275.52

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Solution

The fourth proportional to 131,808.24, 197,512.83 and 87,275.52 is: 130,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808.24 : 197,512.83 = 87,275.52 : x
  2. Step 2: Convert to fraction form
    131,808.24/197,512.83 = 87,275.52/x
  3. Step 3: Cross multiply
    131,808.24x = 197,512.83 × 87,275.52
  4. Step 4: Simplify right side
    131,808.24x = 17,238,034,944.92
  5. Step 5: Solve for x
    x = 17,238,034,944.92/131,808.24
  6. Step 6: Final answer
    x = 130,781.16

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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.