Home / 160,269.68-221,165.40-88,645.12

Finding the Fourth Proportional to 160,269.68, 221,165.40 and 88,645.12

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Solution

The fourth proportional to 160,269.68, 221,165.40 and 88,645.12 is: 122,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,269.68 : 221,165.40 = 88,645.12 : x
  2. Step 2: Convert to fraction form
    160,269.68/221,165.40 = 88,645.12/x
  3. Step 3: Cross multiply
    160,269.68x = 221,165.40 × 88,645.12
  4. Step 4: Simplify right side
    160,269.68x = 19,605,233,422.85
  5. Step 5: Solve for x
    x = 19,605,233,422.85/160,269.68
  6. Step 6: Final answer
    x = 122,326.53

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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.