Home / 116,110.20-160,230.28-65,122.92

Finding the Fourth Proportional to 116,110.20, 160,230.28 and 65,122.92

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Solution

The fourth proportional to 116,110.20, 160,230.28 and 65,122.92 is: 89,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,110.20 : 160,230.28 = 65,122.92 : x
  2. Step 2: Convert to fraction form
    116,110.20/160,230.28 = 65,122.92/x
  3. Step 3: Cross multiply
    116,110.20x = 160,230.28 × 65,122.92
  4. Step 4: Simplify right side
    116,110.20x = 10,434,663,706.02
  5. Step 5: Solve for x
    x = 10,434,663,706.02/116,110.20
  6. Step 6: Final answer
    x = 89,868.62

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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.