Home / 160,727.28-221,803.27-89,105.46

Finding the Fourth Proportional to 160,727.28, 221,803.27 and 89,105.46

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Solution

The fourth proportional to 160,727.28, 221,803.27 and 89,105.46 is: 122,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,727.28 : 221,803.27 = 89,105.46 : x
  2. Step 2: Convert to fraction form
    160,727.28/221,803.27 = 89,105.46/x
  3. Step 3: Cross multiply
    160,727.28x = 221,803.27 × 89,105.46
  4. Step 4: Simplify right side
    160,727.28x = 19,763,882,402.85
  5. Step 5: Solve for x
    x = 19,763,882,402.85/160,727.28
  6. Step 6: Final answer
    x = 122,965.33

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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.