Home / 115,346.22-159,177.86-67,599.55

Finding the Fourth Proportional to 115,346.22, 159,177.86 and 67,599.55

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Solution

The fourth proportional to 115,346.22, 159,177.86 and 67,599.55 is: 93,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,346.22 : 159,177.86 = 67,599.55 : x
  2. Step 2: Convert to fraction form
    115,346.22/159,177.86 = 67,599.55/x
  3. Step 3: Cross multiply
    115,346.22x = 159,177.86 × 67,599.55
  4. Step 4: Simplify right side
    115,346.22x = 10,760,351,705.96
  5. Step 5: Solve for x
    x = 10,760,351,705.96/115,346.22
  6. Step 6: Final answer
    x = 93,287.42

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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.