Home / 98,822.40-148,233.60-54,426.30

Finding the Fourth Proportional to 98,822.40, 148,233.60 and 54,426.30

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Solution

The fourth proportional to 98,822.40, 148,233.60 and 54,426.30 is: 81,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.40 : 148,233.60 = 54,426.30 : x
  2. Step 2: Convert to fraction form
    98,822.40/148,233.60 = 54,426.30/x
  3. Step 3: Cross multiply
    98,822.40x = 148,233.60 × 54,426.30
  4. Step 4: Simplify right side
    98,822.40x = 8,067,806,383.68
  5. Step 5: Solve for x
    x = 8,067,806,383.68/98,822.40
  6. Step 6: Final answer
    x = 81,639.45

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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.