Home / 160,795.91-221,911.99-89,199

Finding the Fourth Proportional to 160,795.91, 221,911.99 and 89,199

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Solution

The fourth proportional to 160,795.91, 221,911.99 and 89,199 is: 123,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,795.91 : 221,911.99 = 89,199 : x
  2. Step 2: Convert to fraction form
    160,795.91/221,911.99 = 89,199/x
  3. Step 3: Cross multiply
    160,795.91x = 221,911.99 × 89,199
  4. Step 4: Simplify right side
    160,795.91x = 19,794,327,373.01
  5. Step 5: Solve for x
    x = 19,794,327,373.01/160,795.91
  6. Step 6: Final answer
    x = 123,102.18

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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.