Home / 131,473.60-197,210.40-115,921.60

Finding the Fourth Proportional to 131,473.60, 197,210.40 and 115,921.60

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Solution

The fourth proportional to 131,473.60, 197,210.40 and 115,921.60 is: 173,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,473.60 : 197,210.40 = 115,921.60 : x
  2. Step 2: Convert to fraction form
    131,473.60/197,210.40 = 115,921.60/x
  3. Step 3: Cross multiply
    131,473.60x = 197,210.40 × 115,921.60
  4. Step 4: Simplify right side
    131,473.60x = 22,860,945,104.64
  5. Step 5: Solve for x
    x = 22,860,945,104.64/131,473.60
  6. Step 6: Final answer
    x = 173,882.40

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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.