Home / 152,867.50-229,217.06-81,873.34

Finding the Fourth Proportional to 152,867.50, 229,217.06 and 81,873.34

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Solution

The fourth proportional to 152,867.50, 229,217.06 and 81,873.34 is: 122,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,867.50 : 229,217.06 = 81,873.34 : x
  2. Step 2: Convert to fraction form
    152,867.50/229,217.06 = 81,873.34/x
  3. Step 3: Cross multiply
    152,867.50x = 229,217.06 × 81,873.34
  4. Step 4: Simplify right side
    152,867.50x = 18,766,765,877.81
  5. Step 5: Solve for x
    x = 18,766,765,877.81/152,867.50
  6. Step 6: Final answer
    x = 122,764.92

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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.