Home / 115,537.14-159,438.31-64,550.25

Finding the Fourth Proportional to 115,537.14, 159,438.31 and 64,550.25

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Solution

The fourth proportional to 115,537.14, 159,438.31 and 64,550.25 is: 89,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,537.14 : 159,438.31 = 64,550.25 : x
  2. Step 2: Convert to fraction form
    115,537.14/159,438.31 = 64,550.25/x
  3. Step 3: Cross multiply
    115,537.14x = 159,438.31 × 64,550.25
  4. Step 4: Simplify right side
    115,537.14x = 10,291,782,608.70
  5. Step 5: Solve for x
    x = 10,291,782,608.70/115,537.14
  6. Step 6: Final answer
    x = 89,077.70

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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.