Home / 148,435.78-204,819.51-90,262.84

Finding the Fourth Proportional to 148,435.78, 204,819.51 and 90,262.84

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Solution

The fourth proportional to 148,435.78, 204,819.51 and 90,262.84 is: 124,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,435.78 : 204,819.51 = 90,262.84 : x
  2. Step 2: Convert to fraction form
    148,435.78/204,819.51 = 90,262.84/x
  3. Step 3: Cross multiply
    148,435.78x = 204,819.51 × 90,262.84
  4. Step 4: Simplify right side
    148,435.78x = 18,487,590,660.01
  5. Step 5: Solve for x
    x = 18,487,590,660.01/148,435.78
  6. Step 6: Final answer
    x = 124,549.42

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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.