Home / 115,194.08-158,948.55-64,195.63

Finding the Fourth Proportional to 115,194.08, 158,948.55 and 64,195.63

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Solution

The fourth proportional to 115,194.08, 158,948.55 and 64,195.63 is: 88,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,194.08 : 158,948.55 = 64,195.63 : x
  2. Step 2: Convert to fraction form
    115,194.08/158,948.55 = 64,195.63/x
  3. Step 3: Cross multiply
    115,194.08x = 158,948.55 × 64,195.63
  4. Step 4: Simplify right side
    115,194.08x = 10,203,801,907.47
  5. Step 5: Solve for x
    x = 10,203,801,907.47/115,194.08
  6. Step 6: Final answer
    x = 88,579.22

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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.