Home / 131,594.40-196,815.60-117,655.20

Finding the Fourth Proportional to 131,594.40, 196,815.60 and 117,655.20

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Solution

The fourth proportional to 131,594.40, 196,815.60 and 117,655.20 is: 175,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,594.40 : 196,815.60 = 117,655.20 : x
  2. Step 2: Convert to fraction form
    131,594.40/196,815.60 = 117,655.20/x
  3. Step 3: Cross multiply
    131,594.40x = 196,815.60 × 117,655.20
  4. Step 4: Simplify right side
    131,594.40x = 23,156,378,781.12
  5. Step 5: Solve for x
    x = 23,156,378,781.12/131,594.40
  6. Step 6: Final answer
    x = 175,967.81

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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.