Home / 84,539.92-126,830.94-25,376.68

Finding the Fourth Proportional to 84,539.92, 126,830.94 and 25,376.68

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Solution

The fourth proportional to 84,539.92, 126,830.94 and 25,376.68 is: 38,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.92 : 126,830.94 = 25,376.68 : x
  2. Step 2: Convert to fraction form
    84,539.92/126,830.94 = 25,376.68/x
  3. Step 3: Cross multiply
    84,539.92x = 126,830.94 × 25,376.68
  4. Step 4: Simplify right side
    84,539.92x = 3,218,548,178.48
  5. Step 5: Solve for x
    x = 3,218,548,178.48/84,539.92
  6. Step 6: Final answer
    x = 38,071.34

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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.