Home / 163,470.18-225,591.53-89,885.73

Finding the Fourth Proportional to 163,470.18, 225,591.53 and 89,885.73

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Solution

The fourth proportional to 163,470.18, 225,591.53 and 89,885.73 is: 124,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,470.18 : 225,591.53 = 89,885.73 : x
  2. Step 2: Convert to fraction form
    163,470.18/225,591.53 = 89,885.73/x
  3. Step 3: Cross multiply
    163,470.18x = 225,591.53 × 89,885.73
  4. Step 4: Simplify right side
    163,470.18x = 20,277,459,355.87
  5. Step 5: Solve for x
    x = 20,277,459,355.87/163,470.18
  6. Step 6: Final answer
    x = 124,043.78

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1.5x scale

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.