Home / 148,254.38-204,578.48-86,994.25

Finding the Fourth Proportional to 148,254.38, 204,578.48 and 86,994.25

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Solution

The fourth proportional to 148,254.38, 204,578.48 and 86,994.25 is: 120,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,254.38 : 204,578.48 = 86,994.25 : x
  2. Step 2: Convert to fraction form
    148,254.38/204,578.48 = 86,994.25/x
  3. Step 3: Cross multiply
    148,254.38x = 204,578.48 × 86,994.25
  4. Step 4: Simplify right side
    148,254.38x = 17,797,150,266.85
  5. Step 5: Solve for x
    x = 17,797,150,266.85/148,254.38
  6. Step 6: Final answer
    x = 120,044.68

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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.