Home / 225,309.38-310,941.98-129,822.26

Finding the Fourth Proportional to 225,309.38, 310,941.98 and 129,822.26

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Solution

The fourth proportional to 225,309.38, 310,941.98 and 129,822.26 is: 179,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,309.38 : 310,941.98 = 129,822.26 : x
  2. Step 2: Convert to fraction form
    225,309.38/310,941.98 = 129,822.26/x
  3. Step 3: Cross multiply
    225,309.38x = 310,941.98 × 129,822.26
  4. Step 4: Simplify right side
    225,309.38x = 40,367,190,572.47
  5. Step 5: Solve for x
    x = 40,367,190,572.47/225,309.38
  6. Step 6: Final answer
    x = 179,163.38

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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.