Home / 160,617.45-221,651.87-89,002.11

Finding the Fourth Proportional to 160,617.45, 221,651.87 and 89,002.11

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Solution

The fourth proportional to 160,617.45, 221,651.87 and 89,002.11 is: 122,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.45 : 221,651.87 = 89,002.11 : x
  2. Step 2: Convert to fraction form
    160,617.45/221,651.87 = 89,002.11/x
  3. Step 3: Cross multiply
    160,617.45x = 221,651.87 × 89,002.11
  4. Step 4: Simplify right side
    160,617.45x = 19,727,483,670.44
  5. Step 5: Solve for x
    x = 19,727,483,670.44/160,617.45
  6. Step 6: Final answer
    x = 122,822.79

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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.