Home / 98,910.98-148,373.25-39,746.55

Finding the Fourth Proportional to 98,910.98, 148,373.25 and 39,746.55

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Solution

The fourth proportional to 98,910.98, 148,373.25 and 39,746.55 is: 59,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910.98 : 148,373.25 = 39,746.55 : x
  2. Step 2: Convert to fraction form
    98,910.98/148,373.25 = 39,746.55/x
  3. Step 3: Cross multiply
    98,910.98x = 148,373.25 × 39,746.55
  4. Step 4: Simplify right side
    98,910.98x = 5,897,324,799.79
  5. Step 5: Solve for x
    x = 5,897,324,799.79/98,910.98
  6. Step 6: Final answer
    x = 59,622.55

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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.