Home / 148,447.28-204,852.11-87,982.00

Finding the Fourth Proportional to 148,447.28, 204,852.11 and 87,982.00

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Solution

The fourth proportional to 148,447.28, 204,852.11 and 87,982.00 is: 121,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,447.28 : 204,852.11 = 87,982.00 : x
  2. Step 2: Convert to fraction form
    148,447.28/204,852.11 = 87,982.00/x
  3. Step 3: Cross multiply
    148,447.28x = 204,852.11 × 87,982.00
  4. Step 4: Simplify right side
    148,447.28x = 18,023,297,389.98
  5. Step 5: Solve for x
    x = 18,023,297,389.98/148,447.28
  6. Step 6: Final answer
    x = 121,412.11

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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.