Home / 224,128.68-309,308.53-126,042.80

Finding the Fourth Proportional to 224,128.68, 309,308.53 and 126,042.80

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Solution

The fourth proportional to 224,128.68, 309,308.53 and 126,042.80 is: 173,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,128.68 : 309,308.53 = 126,042.80 : x
  2. Step 2: Convert to fraction form
    224,128.68/309,308.53 = 126,042.80/x
  3. Step 3: Cross multiply
    224,128.68x = 309,308.53 × 126,042.80
  4. Step 4: Simplify right side
    224,128.68x = 38,986,111,638.54
  5. Step 5: Solve for x
    x = 38,986,111,638.54/224,128.68
  6. Step 6: Final answer
    x = 173,945.22

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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.