Home / 220,280.07-303,988.65-124,784.73

Finding the Fourth Proportional to 220,280.07, 303,988.65 and 124,784.73

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Solution

The fourth proportional to 220,280.07, 303,988.65 and 124,784.73 is: 172,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,280.07 : 303,988.65 = 124,784.73 : x
  2. Step 2: Convert to fraction form
    220,280.07/303,988.65 = 124,784.73/x
  3. Step 3: Cross multiply
    220,280.07x = 303,988.65 × 124,784.73
  4. Step 4: Simplify right side
    220,280.07x = 37,933,141,613.31
  5. Step 5: Solve for x
    x = 37,933,141,613.31/220,280.07
  6. Step 6: Final answer
    x = 172,204.15

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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.