Home / 143,973.27-215,959.92-73,807.83

Finding the Fourth Proportional to 143,973.27, 215,959.92 and 73,807.83

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Solution

The fourth proportional to 143,973.27, 215,959.92 and 73,807.83 is: 110,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,973.27 : 215,959.92 = 73,807.83 : x
  2. Step 2: Convert to fraction form
    143,973.27/215,959.92 = 73,807.83/x
  3. Step 3: Cross multiply
    143,973.27x = 215,959.92 × 73,807.83
  4. Step 4: Simplify right side
    143,973.27x = 15,939,533,062.17
  5. Step 5: Solve for x
    x = 15,939,533,062.17/143,973.27
  6. Step 6: Final answer
    x = 110,711.75

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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.