Home / 143,799.27-215,699.45-43,959.08

Finding the Fourth Proportional to 143,799.27, 215,699.45 and 43,959.08

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Solution

The fourth proportional to 143,799.27, 215,699.45 and 43,959.08 is: 65,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,799.27 : 215,699.45 = 43,959.08 : x
  2. Step 2: Convert to fraction form
    143,799.27/215,699.45 = 43,959.08/x
  3. Step 3: Cross multiply
    143,799.27x = 215,699.45 × 43,959.08
  4. Step 4: Simplify right side
    143,799.27x = 9,481,949,378.51
  5. Step 5: Solve for x
    x = 9,481,949,378.51/143,799.27
  6. Step 6: Final answer
    x = 65,938.79

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1.5x scale

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.