Home / 178,717.12-268,016.18-72,073.53

Finding the Fourth Proportional to 178,717.12, 268,016.18 and 72,073.53

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Solution

The fourth proportional to 178,717.12, 268,016.18 and 72,073.53 is: 108,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,717.12 : 268,016.18 = 72,073.53 : x
  2. Step 2: Convert to fraction form
    178,717.12/268,016.18 = 72,073.53/x
  3. Step 3: Cross multiply
    178,717.12x = 268,016.18 × 72,073.53
  4. Step 4: Simplify right side
    178,717.12x = 19,316,871,829.35
  5. Step 5: Solve for x
    x = 19,316,871,829.35/178,717.12
  6. Step 6: Final answer
    x = 108,086.30

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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.