Home / 131,429.20-196,852.20-52,502.80

Finding the Fourth Proportional to 131,429.20, 196,852.20 and 52,502.80

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Solution

The fourth proportional to 131,429.20, 196,852.20 and 52,502.80 is: 78,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.20 : 196,852.20 = 52,502.80 : x
  2. Step 2: Convert to fraction form
    131,429.20/196,852.20 = 52,502.80/x
  3. Step 3: Cross multiply
    131,429.20x = 196,852.20 × 52,502.80
  4. Step 4: Simplify right side
    131,429.20x = 10,335,291,686.16
  5. Step 5: Solve for x
    x = 10,335,291,686.16/131,429.20
  6. Step 6: Final answer
    x = 78,637.71

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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.