Home / 160,742.76-221,824.68-89,120.94

Finding the Fourth Proportional to 160,742.76, 221,824.68 and 89,120.94

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Solution

The fourth proportional to 160,742.76, 221,824.68 and 89,120.94 is: 122,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,742.76 : 221,824.68 = 89,120.94 : x
  2. Step 2: Convert to fraction form
    160,742.76/221,824.68 = 89,120.94/x
  3. Step 3: Cross multiply
    160,742.76x = 221,824.68 × 89,120.94
  4. Step 4: Simplify right side
    160,742.76x = 19,769,223,996.80
  5. Step 5: Solve for x
    x = 19,769,223,996.80/160,742.76
  6. Step 6: Final answer
    x = 122,986.71

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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.