Home / 148,372.68-204,763.20-91,018.46

Finding the Fourth Proportional to 148,372.68, 204,763.20 and 91,018.46

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Solution

The fourth proportional to 148,372.68, 204,763.20 and 91,018.46 is: 125,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,372.68 : 204,763.20 = 91,018.46 : x
  2. Step 2: Convert to fraction form
    148,372.68/204,763.20 = 91,018.46/x
  3. Step 3: Cross multiply
    148,372.68x = 204,763.20 × 91,018.46
  4. Step 4: Simplify right side
    148,372.68x = 18,637,231,128.67
  5. Step 5: Solve for x
    x = 18,637,231,128.67/148,372.68
  6. Step 6: Final answer
    x = 125,610.94

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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.