Home / 178,734.76-268,101.93-45,615.04

Finding the Fourth Proportional to 178,734.76, 268,101.93 and 45,615.04

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Solution

The fourth proportional to 178,734.76, 268,101.93 and 45,615.04 is: 68,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,734.76 : 268,101.93 = 45,615.04 : x
  2. Step 2: Convert to fraction form
    178,734.76/268,101.93 = 45,615.04/x
  3. Step 3: Cross multiply
    178,734.76x = 268,101.93 × 45,615.04
  4. Step 4: Simplify right side
    178,734.76x = 12,229,480,261.03
  5. Step 5: Solve for x
    x = 12,229,480,261.03/178,734.76
  6. Step 6: Final answer
    x = 68,422.51

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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.