Home / 221,740.12-306,001.25-119,765.53

Finding the Fourth Proportional to 221,740.12, 306,001.25 and 119,765.53

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Solution

The fourth proportional to 221,740.12, 306,001.25 and 119,765.53 is: 165,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,740.12 : 306,001.25 = 119,765.53 : x
  2. Step 2: Convert to fraction form
    221,740.12/306,001.25 = 119,765.53/x
  3. Step 3: Cross multiply
    221,740.12x = 306,001.25 × 119,765.53
  4. Step 4: Simplify right side
    221,740.12x = 36,648,399,758.08
  5. Step 5: Solve for x
    x = 36,648,399,758.08/221,740.12
  6. Step 6: Final answer
    x = 165,276.36

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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.