Home / 225,102.09-310,634.28-123,125.35

Finding the Fourth Proportional to 225,102.09, 310,634.28 and 123,125.35

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Solution

The fourth proportional to 225,102.09, 310,634.28 and 123,125.35 is: 169,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,102.09 : 310,634.28 = 123,125.35 : x
  2. Step 2: Convert to fraction form
    225,102.09/310,634.28 = 123,125.35/x
  3. Step 3: Cross multiply
    225,102.09x = 310,634.28 × 123,125.35
  4. Step 4: Simplify right side
    225,102.09x = 38,246,954,447.00
  5. Step 5: Solve for x
    x = 38,246,954,447.00/225,102.09
  6. Step 6: Final answer
    x = 169,909.37

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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.