Home / 223,055.02-307,805.43-121,078.18

Finding the Fourth Proportional to 223,055.02, 307,805.43 and 121,078.18

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Solution

The fourth proportional to 223,055.02, 307,805.43 and 121,078.18 is: 167,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,055.02 : 307,805.43 = 121,078.18 : x
  2. Step 2: Convert to fraction form
    223,055.02/307,805.43 = 121,078.18/x
  3. Step 3: Cross multiply
    223,055.02x = 307,805.43 × 121,078.18
  4. Step 4: Simplify right side
    223,055.02x = 37,268,521,258.52
  5. Step 5: Solve for x
    x = 37,268,521,258.52/223,055.02
  6. Step 6: Final answer
    x = 167,082.19

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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.