Home / 97,879.20-146,718.48-66,292.56

Finding the Fourth Proportional to 97,879.20, 146,718.48 and 66,292.56

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Solution

The fourth proportional to 97,879.20, 146,718.48 and 66,292.56 is: 99,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,879.20 : 146,718.48 = 66,292.56 : x
  2. Step 2: Convert to fraction form
    97,879.20/146,718.48 = 66,292.56/x
  3. Step 3: Cross multiply
    97,879.20x = 146,718.48 × 66,292.56
  4. Step 4: Simplify right side
    97,879.20x = 9,726,343,638.51
  5. Step 5: Solve for x
    x = 9,726,343,638.51/97,879.20
  6. Step 6: Final answer
    x = 99,370.89

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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.