Home / 160,760.55-221,858.43-89,139.06

Finding the Fourth Proportional to 160,760.55, 221,858.43 and 89,139.06

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Solution

The fourth proportional to 160,760.55, 221,858.43 and 89,139.06 is: 123,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,760.55 : 221,858.43 = 89,139.06 : x
  2. Step 2: Convert to fraction form
    160,760.55/221,858.43 = 89,139.06/x
  3. Step 3: Cross multiply
    160,760.55x = 221,858.43 × 89,139.06
  4. Step 4: Simplify right side
    160,760.55x = 19,776,251,903.28
  5. Step 5: Solve for x
    x = 19,776,251,903.28/160,760.55
  6. Step 6: Final answer
    x = 123,016.82

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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.