Home / 115,072.03-158,799.25-67,334.58

Finding the Fourth Proportional to 115,072.03, 158,799.25 and 67,334.58

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Solution

The fourth proportional to 115,072.03, 158,799.25 and 67,334.58 is: 92,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,072.03 : 158,799.25 = 67,334.58 : x
  2. Step 2: Convert to fraction form
    115,072.03/158,799.25 = 67,334.58/x
  3. Step 3: Cross multiply
    115,072.03x = 158,799.25 × 67,334.58
  4. Step 4: Simplify right side
    115,072.03x = 10,692,680,803.07
  5. Step 5: Solve for x
    x = 10,692,680,803.07/115,072.03
  6. Step 6: Final answer
    x = 92,921.63

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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.