Home / 98,830.35-148,273.20-39,707.54

Finding the Fourth Proportional to 98,830.35, 148,273.20 and 39,707.54

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Solution

The fourth proportional to 98,830.35, 148,273.20 and 39,707.54 is: 59,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.35 : 148,273.20 = 39,707.54 : x
  2. Step 2: Convert to fraction form
    98,830.35/148,273.20 = 39,707.54/x
  3. Step 3: Cross multiply
    98,830.35x = 148,273.20 × 39,707.54
  4. Step 4: Simplify right side
    98,830.35x = 5,887,564,019.93
  5. Step 5: Solve for x
    x = 5,887,564,019.93/98,830.35
  6. Step 6: Final answer
    x = 59,572.43

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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.