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Finding the Fourth Proportional to 160,161.31, 221,005.69 and 88,529.77

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Solution

The fourth proportional to 160,161.31, 221,005.69 and 88,529.77 is: 122,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,161.31 : 221,005.69 = 88,529.77 : x
  2. Step 2: Convert to fraction form
    160,161.31/221,005.69 = 88,529.77/x
  3. Step 3: Cross multiply
    160,161.31x = 221,005.69 × 88,529.77
  4. Step 4: Simplify right side
    160,161.31x = 19,565,582,904.39
  5. Step 5: Solve for x
    x = 19,565,582,904.39/160,161.31
  6. Step 6: Final answer
    x = 122,161.73

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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.