Home / 216,719.25-299,085.83-121,232.37

Finding the Fourth Proportional to 216,719.25, 299,085.83 and 121,232.37

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Solution

The fourth proportional to 216,719.25, 299,085.83 and 121,232.37 is: 167,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,719.25 : 299,085.83 = 121,232.37 : x
  2. Step 2: Convert to fraction form
    216,719.25/299,085.83 = 121,232.37/x
  3. Step 3: Cross multiply
    216,719.25x = 299,085.83 × 121,232.37
  4. Step 4: Simplify right side
    216,719.25x = 36,258,883,398.16
  5. Step 5: Solve for x
    x = 36,258,883,398.16/216,719.25
  6. Step 6: Final answer
    x = 167,308.09

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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.