Home / 131,462.40-196,934.40-122,131.20

Finding the Fourth Proportional to 131,462.40, 196,934.40 and 122,131.20

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Solution

The fourth proportional to 131,462.40, 196,934.40 and 122,131.20 is: 182,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462.40 : 196,934.40 = 122,131.20 : x
  2. Step 2: Convert to fraction form
    131,462.40/196,934.40 = 122,131.20/x
  3. Step 3: Cross multiply
    131,462.40x = 196,934.40 × 122,131.20
  4. Step 4: Simplify right side
    131,462.40x = 24,051,834,593.28
  5. Step 5: Solve for x
    x = 24,051,834,593.28/131,462.40
  6. Step 6: Final answer
    x = 182,956.00

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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.