Home / 98,003.90-146,820.36-57,902.96

Finding the Fourth Proportional to 98,003.90, 146,820.36 and 57,902.96

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Solution

The fourth proportional to 98,003.90, 146,820.36 and 57,902.96 is: 86,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,003.90 : 146,820.36 = 57,902.96 : x
  2. Step 2: Convert to fraction form
    98,003.90/146,820.36 = 57,902.96/x
  3. Step 3: Cross multiply
    98,003.90x = 146,820.36 × 57,902.96
  4. Step 4: Simplify right side
    98,003.90x = 8,501,333,432.27
  5. Step 5: Solve for x
    x = 8,501,333,432.27/98,003.90
  6. Step 6: Final answer
    x = 86,744.85

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1.5x scale

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.