Home / 148,316.24-204,676.80-81,248.24

Finding the Fourth Proportional to 148,316.24, 204,676.80 and 81,248.24

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Solution

The fourth proportional to 148,316.24, 204,676.80 and 81,248.24 is: 112,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,316.24 : 204,676.80 = 81,248.24 : x
  2. Step 2: Convert to fraction form
    148,316.24/204,676.80 = 81,248.24/x
  3. Step 3: Cross multiply
    148,316.24x = 204,676.80 × 81,248.24
  4. Step 4: Simplify right side
    148,316.24x = 16,629,629,768.83
  5. Step 5: Solve for x
    x = 16,629,629,768.83/148,316.24
  6. Step 6: Final answer
    x = 112,122.78

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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.