Home / 160,141.50-220,993.65-88,518.06

Finding the Fourth Proportional to 160,141.50, 220,993.65 and 88,518.06

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Solution

The fourth proportional to 160,141.50, 220,993.65 and 88,518.06 is: 122,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,141.50 : 220,993.65 = 88,518.06 : x
  2. Step 2: Convert to fraction form
    160,141.50/220,993.65 = 88,518.06/x
  3. Step 3: Cross multiply
    160,141.50x = 220,993.65 × 88,518.06
  4. Step 4: Simplify right side
    160,141.50x = 19,561,929,170.32
  5. Step 5: Solve for x
    x = 19,561,929,170.32/160,141.50
  6. Step 6: Final answer
    x = 122,154.03

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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.