Home / 143,324.64-215,298-121,182.48

Finding the Fourth Proportional to 143,324.64, 215,298 and 121,182.48

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Solution

The fourth proportional to 143,324.64, 215,298 and 121,182.48 is: 182,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,324.64 : 215,298 = 121,182.48 : x
  2. Step 2: Convert to fraction form
    143,324.64/215,298 = 121,182.48/x
  3. Step 3: Cross multiply
    143,324.64x = 215,298 × 121,182.48
  4. Step 4: Simplify right side
    143,324.64x = 26,090,345,579.04
  5. Step 5: Solve for x
    x = 26,090,345,579.04/143,324.64
  6. Step 6: Final answer
    x = 182,036.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.