Home / 98,905.50-148,376.85-39,745.86

Finding the Fourth Proportional to 98,905.50, 148,376.85 and 39,745.86

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Solution

The fourth proportional to 98,905.50, 148,376.85 and 39,745.86 is: 59,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.50 : 148,376.85 = 39,745.86 : x
  2. Step 2: Convert to fraction form
    98,905.50/148,376.85 = 39,745.86/x
  3. Step 3: Cross multiply
    98,905.50x = 148,376.85 × 39,745.86
  4. Step 4: Simplify right side
    98,905.50x = 5,897,365,507.34
  5. Step 5: Solve for x
    x = 5,897,365,507.34/98,905.50
  6. Step 6: Final answer
    x = 59,626.26

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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.