Home / 115,131.68-158,893.35-64,152.71

Finding the Fourth Proportional to 115,131.68, 158,893.35 and 64,152.71

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Solution

The fourth proportional to 115,131.68, 158,893.35 and 64,152.71 is: 88,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,131.68 : 158,893.35 = 64,152.71 : x
  2. Step 2: Convert to fraction form
    115,131.68/158,893.35 = 64,152.71/x
  3. Step 3: Cross multiply
    115,131.68x = 158,893.35 × 64,152.71
  4. Step 4: Simplify right side
    115,131.68x = 10,193,438,564.29
  5. Step 5: Solve for x
    x = 10,193,438,564.29/115,131.68
  6. Step 6: Final answer
    x = 88,537.22

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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.