Home / 115,613.18-159,542.84-64,626

Finding the Fourth Proportional to 115,613.18, 159,542.84 and 64,626

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Solution

The fourth proportional to 115,613.18, 159,542.84 and 64,626 is: 89,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613.18 : 159,542.84 = 64,626 : x
  2. Step 2: Convert to fraction form
    115,613.18/159,542.84 = 64,626/x
  3. Step 3: Cross multiply
    115,613.18x = 159,542.84 × 64,626
  4. Step 4: Simplify right side
    115,613.18x = 10,310,615,577.84
  5. Step 5: Solve for x
    x = 10,310,615,577.84/115,613.18
  6. Step 6: Final answer
    x = 89,182.01

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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.