Home / 160,419.82-221,376.66-88,798.30

Finding the Fourth Proportional to 160,419.82, 221,376.66 and 88,798.30

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Solution

The fourth proportional to 160,419.82, 221,376.66 and 88,798.30 is: 122,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,419.82 : 221,376.66 = 88,798.30 : x
  2. Step 2: Convert to fraction form
    160,419.82/221,376.66 = 88,798.30/x
  3. Step 3: Cross multiply
    160,419.82x = 221,376.66 × 88,798.30
  4. Step 4: Simplify right side
    160,419.82x = 19,657,871,067.68
  5. Step 5: Solve for x
    x = 19,657,871,067.68/160,419.82
  6. Step 6: Final answer
    x = 122,540.16

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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.