Home / 225,020.04-310,587.24-140,086.68

Finding the Fourth Proportional to 225,020.04, 310,587.24 and 140,086.68

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Solution

The fourth proportional to 225,020.04, 310,587.24 and 140,086.68 is: 193,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,020.04 : 310,587.24 = 140,086.68 : x
  2. Step 2: Convert to fraction form
    225,020.04/310,587.24 = 140,086.68/x
  3. Step 3: Cross multiply
    225,020.04x = 310,587.24 × 140,086.68
  4. Step 4: Simplify right side
    225,020.04x = 43,509,135,301.96
  5. Step 5: Solve for x
    x = 43,509,135,301.96/225,020.04
  6. Step 6: Final answer
    x = 193,356.71

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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.