Home / 224,739.66-310,149.78-129,246.33

Finding the Fourth Proportional to 224,739.66, 310,149.78 and 129,246.33

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Solution

The fourth proportional to 224,739.66, 310,149.78 and 129,246.33 is: 178,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,739.66 : 310,149.78 = 129,246.33 : x
  2. Step 2: Convert to fraction form
    224,739.66/310,149.78 = 129,246.33/x
  3. Step 3: Cross multiply
    224,739.66x = 310,149.78 × 129,246.33
  4. Step 4: Simplify right side
    224,739.66x = 40,085,720,815.31
  5. Step 5: Solve for x
    x = 40,085,720,815.31/224,739.66
  6. Step 6: Final answer
    x = 178,365.14

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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.