Home / 115,273.85-159,077.60-64,286.63

Finding the Fourth Proportional to 115,273.85, 159,077.60 and 64,286.63

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Solution

The fourth proportional to 115,273.85, 159,077.60 and 64,286.63 is: 88,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273.85 : 159,077.60 = 64,286.63 : x
  2. Step 2: Convert to fraction form
    115,273.85/159,077.60 = 64,286.63/x
  3. Step 3: Cross multiply
    115,273.85x = 159,077.60 × 64,286.63
  4. Step 4: Simplify right side
    115,273.85x = 10,226,562,812.49
  5. Step 5: Solve for x
    x = 10,226,562,812.49/115,273.85
  6. Step 6: Final answer
    x = 88,715.37

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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.