Home / 148,380.09-204,764.25-80,398.89

Finding the Fourth Proportional to 148,380.09, 204,764.25 and 80,398.89

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Solution

The fourth proportional to 148,380.09, 204,764.25 and 80,398.89 is: 110,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,380.09 : 204,764.25 = 80,398.89 : x
  2. Step 2: Convert to fraction form
    148,380.09/204,764.25 = 80,398.89/x
  3. Step 3: Cross multiply
    148,380.09x = 204,764.25 × 80,398.89
  4. Step 4: Simplify right side
    148,380.09x = 16,462,818,411.68
  5. Step 5: Solve for x
    x = 16,462,818,411.68/148,380.09
  6. Step 6: Final answer
    x = 110,950.32

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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.