Home / 148,019.43-204,220.20-90,598.89

Finding the Fourth Proportional to 148,019.43, 204,220.20 and 90,598.89

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Solution

The fourth proportional to 148,019.43, 204,220.20 and 90,598.89 is: 124,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.43 : 204,220.20 = 90,598.89 : x
  2. Step 2: Convert to fraction form
    148,019.43/204,220.20 = 90,598.89/x
  3. Step 3: Cross multiply
    148,019.43x = 204,220.20 × 90,598.89
  4. Step 4: Simplify right side
    148,019.43x = 18,502,123,435.58
  5. Step 5: Solve for x
    x = 18,502,123,435.58/148,019.43
  6. Step 6: Final answer
    x = 124,997.94

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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.