Home / 216,084.11-298,206.70-120,588.89

Finding the Fourth Proportional to 216,084.11, 298,206.70 and 120,588.89

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Solution

The fourth proportional to 216,084.11, 298,206.70 and 120,588.89 is: 166,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,084.11 : 298,206.70 = 120,588.89 : x
  2. Step 2: Convert to fraction form
    216,084.11/298,206.70 = 120,588.89/x
  3. Step 3: Cross multiply
    216,084.11x = 298,206.70 × 120,588.89
  4. Step 4: Simplify right side
    216,084.11x = 35,960,413,151.06
  5. Step 5: Solve for x
    x = 35,960,413,151.06/216,084.11
  6. Step 6: Final answer
    x = 166,418.59

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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.