Home / 152,402.20-228,603.30-99,258.10

Finding the Fourth Proportional to 152,402.20, 228,603.30 and 99,258.10

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Solution

The fourth proportional to 152,402.20, 228,603.30 and 99,258.10 is: 148,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,402.20 : 228,603.30 = 99,258.10 : x
  2. Step 2: Convert to fraction form
    152,402.20/228,603.30 = 99,258.10/x
  3. Step 3: Cross multiply
    152,402.20x = 228,603.30 × 99,258.10
  4. Step 4: Simplify right side
    152,402.20x = 22,690,729,211.73
  5. Step 5: Solve for x
    x = 22,690,729,211.73/152,402.20
  6. Step 6: Final answer
    x = 148,887.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.