Home / 115,189.40-158,954.74-64,200.44

Finding the Fourth Proportional to 115,189.40, 158,954.74 and 64,200.44

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Solution

The fourth proportional to 115,189.40, 158,954.74 and 64,200.44 is: 88,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,189.40 : 158,954.74 = 64,200.44 : x
  2. Step 2: Convert to fraction form
    115,189.40/158,954.74 = 64,200.44/x
  3. Step 3: Cross multiply
    115,189.40x = 158,954.74 × 64,200.44
  4. Step 4: Simplify right side
    115,189.40x = 10,204,963,132.31
  5. Step 5: Solve for x
    x = 10,204,963,132.31/115,189.40
  6. Step 6: Final answer
    x = 88,592.91

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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.