Home / 216,131.36-298,260.53-120,637.22

Finding the Fourth Proportional to 216,131.36, 298,260.53 and 120,637.22

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Solution

The fourth proportional to 216,131.36, 298,260.53 and 120,637.22 is: 166,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,131.36 : 298,260.53 = 120,637.22 : x
  2. Step 2: Convert to fraction form
    216,131.36/298,260.53 = 120,637.22/x
  3. Step 3: Cross multiply
    216,131.36x = 298,260.53 × 120,637.22
  4. Step 4: Simplify right side
    216,131.36x = 35,981,319,532.83
  5. Step 5: Solve for x
    x = 35,981,319,532.83/216,131.36
  6. Step 6: Final answer
    x = 166,478.94

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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.