Home / 115,325.46-159,149.34-64,341.54

Finding the Fourth Proportional to 115,325.46, 159,149.34 and 64,341.54

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Solution

The fourth proportional to 115,325.46, 159,149.34 and 64,341.54 is: 88,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,325.46 : 159,149.34 = 64,341.54 : x
  2. Step 2: Convert to fraction form
    115,325.46/159,149.34 = 64,341.54/x
  3. Step 3: Cross multiply
    115,325.46x = 159,149.34 × 64,341.54
  4. Step 4: Simplify right side
    115,325.46x = 10,239,913,625.58
  5. Step 5: Solve for x
    x = 10,239,913,625.58/115,325.46
  6. Step 6: Final answer
    x = 88,791.44

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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.