Home / 225,352.20-310,988.34-124,748.04

Finding the Fourth Proportional to 225,352.20, 310,988.34 and 124,748.04

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Solution

The fourth proportional to 225,352.20, 310,988.34 and 124,748.04 is: 172,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,352.20 : 310,988.34 = 124,748.04 : x
  2. Step 2: Convert to fraction form
    225,352.20/310,988.34 = 124,748.04/x
  3. Step 3: Cross multiply
    225,352.20x = 310,988.34 × 124,748.04
  4. Step 4: Simplify right side
    225,352.20x = 38,795,185,877.85
  5. Step 5: Solve for x
    x = 38,795,185,877.85/225,352.20
  6. Step 6: Final answer
    x = 172,153.57

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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.