Home / 115,262.79-159,078.27-67,535.16

Finding the Fourth Proportional to 115,262.79, 159,078.27 and 67,535.16

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Solution

The fourth proportional to 115,262.79, 159,078.27 and 67,535.16 is: 93,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.79 : 159,078.27 = 67,535.16 : x
  2. Step 2: Convert to fraction form
    115,262.79/159,078.27 = 67,535.16/x
  3. Step 3: Cross multiply
    115,262.79x = 159,078.27 × 67,535.16
  4. Step 4: Simplify right side
    115,262.79x = 10,743,376,416.97
  5. Step 5: Solve for x
    x = 10,743,376,416.97/115,262.79
  6. Step 6: Final answer
    x = 93,207.67

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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.