Home / 216,001.25-298,081.91-120,507.98

Finding the Fourth Proportional to 216,001.25, 298,081.91 and 120,507.98

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Solution

The fourth proportional to 216,001.25, 298,081.91 and 120,507.98 is: 166,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,001.25 : 298,081.91 = 120,507.98 : x
  2. Step 2: Convert to fraction form
    216,001.25/298,081.91 = 120,507.98/x
  3. Step 3: Cross multiply
    216,001.25x = 298,081.91 × 120,507.98
  4. Step 4: Simplify right side
    216,001.25x = 35,921,246,755.69
  5. Step 5: Solve for x
    x = 35,921,246,755.69/216,001.25
  6. Step 6: Final answer
    x = 166,301.11

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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.