Home / 160,623.20-221,659.80-89,007.86

Finding the Fourth Proportional to 160,623.20, 221,659.80 and 89,007.86

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Solution

The fourth proportional to 160,623.20, 221,659.80 and 89,007.86 is: 122,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,623.20 : 221,659.80 = 89,007.86 : x
  2. Step 2: Convert to fraction form
    160,623.20/221,659.80 = 89,007.86/x
  3. Step 3: Cross multiply
    160,623.20x = 221,659.80 × 89,007.86
  4. Step 4: Simplify right side
    160,623.20x = 19,729,464,446.03
  5. Step 5: Solve for x
    x = 19,729,464,446.03/160,623.20
  6. Step 6: Final answer
    x = 122,830.73

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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.