Home / 115,104.16-158,832.36-64,115.16

Finding the Fourth Proportional to 115,104.16, 158,832.36 and 64,115.16

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Solution

The fourth proportional to 115,104.16, 158,832.36 and 64,115.16 is: 88,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,104.16 : 158,832.36 = 64,115.16 : x
  2. Step 2: Convert to fraction form
    115,104.16/158,832.36 = 64,115.16/x
  3. Step 3: Cross multiply
    115,104.16x = 158,832.36 × 64,115.16
  4. Step 4: Simplify right side
    115,104.16x = 10,183,562,174.58
  5. Step 5: Solve for x
    x = 10,183,562,174.58/115,104.16
  6. Step 6: Final answer
    x = 88,472.58

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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.