Home / 225,831.60-338,747.40-137,112.30

Finding the Fourth Proportional to 225,831.60, 338,747.40 and 137,112.30

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Solution

The fourth proportional to 225,831.60, 338,747.40 and 137,112.30 is: 205,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,831.60 : 338,747.40 = 137,112.30 : x
  2. Step 2: Convert to fraction form
    225,831.60/338,747.40 = 137,112.30/x
  3. Step 3: Cross multiply
    225,831.60x = 338,747.40 × 137,112.30
  4. Step 4: Simplify right side
    225,831.60x = 46,446,435,133.02
  5. Step 5: Solve for x
    x = 46,446,435,133.02/225,831.60
  6. Step 6: Final answer
    x = 205,668.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.