Home / 216,081.33-298,220.45-120,607.85

Finding the Fourth Proportional to 216,081.33, 298,220.45 and 120,607.85

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Solution

The fourth proportional to 216,081.33, 298,220.45 and 120,607.85 is: 166,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,081.33 : 298,220.45 = 120,607.85 : x
  2. Step 2: Convert to fraction form
    216,081.33/298,220.45 = 120,607.85/x
  3. Step 3: Cross multiply
    216,081.33x = 298,220.45 × 120,607.85
  4. Step 4: Simplify right side
    216,081.33x = 35,967,727,300.53
  5. Step 5: Solve for x
    x = 35,967,727,300.53/216,081.33
  6. Step 6: Final answer
    x = 166,454.58

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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.