Home / 84,359.56-126,497.61-28,180.39

Finding the Fourth Proportional to 84,359.56, 126,497.61 and 28,180.39

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Solution

The fourth proportional to 84,359.56, 126,497.61 and 28,180.39 is: 42,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,359.56 : 126,497.61 = 28,180.39 : x
  2. Step 2: Convert to fraction form
    84,359.56/126,497.61 = 28,180.39/x
  3. Step 3: Cross multiply
    84,359.56x = 126,497.61 × 28,180.39
  4. Step 4: Simplify right side
    84,359.56x = 3,564,751,983.87
  5. Step 5: Solve for x
    x = 3,564,751,983.87/84,359.56
  6. Step 6: Final answer
    x = 42,256.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.