Home / 178,673.43-268,016.07-89,878.55

Finding the Fourth Proportional to 178,673.43, 268,016.07 and 89,878.55

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Solution

The fourth proportional to 178,673.43, 268,016.07 and 89,878.55 is: 134,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,673.43 : 268,016.07 = 89,878.55 : x
  2. Step 2: Convert to fraction form
    178,673.43/268,016.07 = 89,878.55/x
  3. Step 3: Cross multiply
    178,673.43x = 268,016.07 × 89,878.55
  4. Step 4: Simplify right side
    178,673.43x = 24,088,896,305.99
  5. Step 5: Solve for x
    x = 24,088,896,305.99/178,673.43
  6. Step 6: Final answer
    x = 134,820.81

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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.