Home / 160,634.64-221,677.11-89,015.86

Finding the Fourth Proportional to 160,634.64, 221,677.11 and 89,015.86

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Solution

The fourth proportional to 160,634.64, 221,677.11 and 89,015.86 is: 122,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,634.64 : 221,677.11 = 89,015.86 : x
  2. Step 2: Convert to fraction form
    160,634.64/221,677.11 = 89,015.86/x
  3. Step 3: Cross multiply
    160,634.64x = 221,677.11 × 89,015.86
  4. Step 4: Simplify right side
    160,634.64x = 19,732,777,869.48
  5. Step 5: Solve for x
    x = 19,732,777,869.48/160,634.64
  6. Step 6: Final answer
    x = 122,842.61

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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.