Home / 225,657.50-311,407.35-125,061.98

Finding the Fourth Proportional to 225,657.50, 311,407.35 and 125,061.98

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Solution

The fourth proportional to 225,657.50, 311,407.35 and 125,061.98 is: 172,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,657.50 : 311,407.35 = 125,061.98 : x
  2. Step 2: Convert to fraction form
    225,657.50/311,407.35 = 125,061.98/x
  3. Step 3: Cross multiply
    225,657.50x = 311,407.35 × 125,061.98
  4. Step 4: Simplify right side
    225,657.50x = 38,945,219,777.55
  5. Step 5: Solve for x
    x = 38,945,219,777.55/225,657.50
  6. Step 6: Final answer
    x = 172,585.53

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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.