Home / 115,546.64-159,438.47-64,553.04

Finding the Fourth Proportional to 115,546.64, 159,438.47 and 64,553.04

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Solution

The fourth proportional to 115,546.64, 159,438.47 and 64,553.04 is: 89,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,546.64 : 159,438.47 = 64,553.04 : x
  2. Step 2: Convert to fraction form
    115,546.64/159,438.47 = 64,553.04/x
  3. Step 3: Cross multiply
    115,546.64x = 159,438.47 × 64,553.04
  4. Step 4: Simplify right side
    115,546.64x = 10,292,237,608.68
  5. Step 5: Solve for x
    x = 10,292,237,608.68/115,546.64
  6. Step 6: Final answer
    x = 89,074.32

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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.