Home / 160,218.75-221,098.23-88,599.36

Finding the Fourth Proportional to 160,218.75, 221,098.23 and 88,599.36

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Solution

The fourth proportional to 160,218.75, 221,098.23 and 88,599.36 is: 122,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,218.75 : 221,098.23 = 88,599.36 : x
  2. Step 2: Convert to fraction form
    160,218.75/221,098.23 = 88,599.36/x
  3. Step 3: Cross multiply
    160,218.75x = 221,098.23 × 88,599.36
  4. Step 4: Simplify right side
    160,218.75x = 19,589,161,675.13
  5. Step 5: Solve for x
    x = 19,589,161,675.13/160,218.75
  6. Step 6: Final answer
    x = 122,265.10

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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.