Home / 203,206.74-280,562.28-126,842.13

Finding the Fourth Proportional to 203,206.74, 280,562.28 and 126,842.13

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Solution

The fourth proportional to 203,206.74, 280,562.28 and 126,842.13 is: 175,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,206.74 : 280,562.28 = 126,842.13 : x
  2. Step 2: Convert to fraction form
    203,206.74/280,562.28 = 126,842.13/x
  3. Step 3: Cross multiply
    203,206.74x = 280,562.28 × 126,842.13
  4. Step 4: Simplify right side
    203,206.74x = 35,587,117,192.86
  5. Step 5: Solve for x
    x = 35,587,117,192.86/203,206.74
  6. Step 6: Final answer
    x = 175,127.64

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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.