Home / 220,275.91-303,995.79-124,783.39

Finding the Fourth Proportional to 220,275.91, 303,995.79 and 124,783.39

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Solution

The fourth proportional to 220,275.91, 303,995.79 and 124,783.39 is: 172,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,275.91 : 303,995.79 = 124,783.39 : x
  2. Step 2: Convert to fraction form
    220,275.91/303,995.79 = 124,783.39/x
  3. Step 3: Cross multiply
    220,275.91x = 303,995.79 × 124,783.39
  4. Step 4: Simplify right side
    220,275.91x = 37,933,623,701.95
  5. Step 5: Solve for x
    x = 37,933,623,701.95/220,275.91
  6. Step 6: Final answer
    x = 172,209.59

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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.