Home / 221,967.35-306,330.57-125,179.86

Finding the Fourth Proportional to 221,967.35, 306,330.57 and 125,179.86

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Solution

The fourth proportional to 221,967.35, 306,330.57 and 125,179.86 is: 172,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,967.35 : 306,330.57 = 125,179.86 : x
  2. Step 2: Convert to fraction form
    221,967.35/306,330.57 = 125,179.86/x
  3. Step 3: Cross multiply
    221,967.35x = 306,330.57 × 125,179.86
  4. Step 4: Simplify right side
    221,967.35x = 38,346,417,866.32
  5. Step 5: Solve for x
    x = 38,346,417,866.32/221,967.35
  6. Step 6: Final answer
    x = 172,757.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.