Home / 160,788.06-221,900.82-89,191.20

Finding the Fourth Proportional to 160,788.06, 221,900.82 and 89,191.20

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Solution

The fourth proportional to 160,788.06, 221,900.82 and 89,191.20 is: 123,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.06 : 221,900.82 = 89,191.20 : x
  2. Step 2: Convert to fraction form
    160,788.06/221,900.82 = 89,191.20/x
  3. Step 3: Cross multiply
    160,788.06x = 221,900.82 × 89,191.20
  4. Step 4: Simplify right side
    160,788.06x = 19,791,600,416.78
  5. Step 5: Solve for x
    x = 19,791,600,416.78/160,788.06
  6. Step 6: Final answer
    x = 123,091.23

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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.