Home / 115,180.02-158,944.41-64,191.06

Finding the Fourth Proportional to 115,180.02, 158,944.41 and 64,191.06

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Solution

The fourth proportional to 115,180.02, 158,944.41 and 64,191.06 is: 88,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,180.02 : 158,944.41 = 64,191.06 : x
  2. Step 2: Convert to fraction form
    115,180.02/158,944.41 = 64,191.06/x
  3. Step 3: Cross multiply
    115,180.02x = 158,944.41 × 64,191.06
  4. Step 4: Simplify right side
    115,180.02x = 10,202,810,158.97
  5. Step 5: Solve for x
    x = 10,202,810,158.97/115,180.02
  6. Step 6: Final answer
    x = 88,581.42

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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.