Home / 115,308.77-159,119.24-66,906.95

Finding the Fourth Proportional to 115,308.77, 159,119.24 and 66,906.95

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Solution

The fourth proportional to 115,308.77, 159,119.24 and 66,906.95 is: 92,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,308.77 : 159,119.24 = 66,906.95 : x
  2. Step 2: Convert to fraction form
    115,308.77/159,119.24 = 66,906.95/x
  3. Step 3: Cross multiply
    115,308.77x = 159,119.24 × 66,906.95
  4. Step 4: Simplify right side
    115,308.77x = 10,646,181,904.59
  5. Step 5: Solve for x
    x = 10,646,181,904.59/115,308.77
  6. Step 6: Final answer
    x = 92,327.60

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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.