Home / 115,452.69-159,327.42-64,463.70

Finding the Fourth Proportional to 115,452.69, 159,327.42 and 64,463.70

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Solution

The fourth proportional to 115,452.69, 159,327.42 and 64,463.70 is: 88,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452.69 : 159,327.42 = 64,463.70 : x
  2. Step 2: Convert to fraction form
    115,452.69/159,327.42 = 64,463.70/x
  3. Step 3: Cross multiply
    115,452.69x = 159,327.42 × 64,463.70
  4. Step 4: Simplify right side
    115,452.69x = 10,270,835,004.65
  5. Step 5: Solve for x
    x = 10,270,835,004.65/115,452.69
  6. Step 6: Final answer
    x = 88,961.42

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1.5x scale

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.