Home / 115,273.60-159,077.25-64,286.39

Finding the Fourth Proportional to 115,273.60, 159,077.25 and 64,286.39

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Solution

The fourth proportional to 115,273.60, 159,077.25 and 64,286.39 is: 88,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273.60 : 159,077.25 = 64,286.39 : x
  2. Step 2: Convert to fraction form
    115,273.60/159,077.25 = 64,286.39/x
  3. Step 3: Cross multiply
    115,273.60x = 159,077.25 × 64,286.39
  4. Step 4: Simplify right side
    115,273.60x = 10,226,501,338.24
  5. Step 5: Solve for x
    x = 10,226,501,338.24/115,273.60
  6. Step 6: Final answer
    x = 88,715.04

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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.