Home / 102,270.48-141,104.88-65,956.56

Finding the Fourth Proportional to 102,270.48, 141,104.88 and 65,956.56

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Solution

The fourth proportional to 102,270.48, 141,104.88 and 65,956.56 is: 91,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.48 : 141,104.88 = 65,956.56 : x
  2. Step 2: Convert to fraction form
    102,270.48/141,104.88 = 65,956.56/x
  3. Step 3: Cross multiply
    102,270.48x = 141,104.88 × 65,956.56
  4. Step 4: Simplify right side
    102,270.48x = 9,306,792,484.01
  5. Step 5: Solve for x
    x = 9,306,792,484.01/102,270.48
  6. Step 6: Final answer
    x = 91,001.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.