Home / 143,533.72-215,301.66-54,763.36

Finding the Fourth Proportional to 143,533.72, 215,301.66 and 54,763.36

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Solution

The fourth proportional to 143,533.72, 215,301.66 and 54,763.36 is: 82,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,533.72 : 215,301.66 = 54,763.36 : x
  2. Step 2: Convert to fraction form
    143,533.72/215,301.66 = 54,763.36/x
  3. Step 3: Cross multiply
    143,533.72x = 215,301.66 × 54,763.36
  4. Step 4: Simplify right side
    143,533.72x = 11,790,642,315.18
  5. Step 5: Solve for x
    x = 11,790,642,315.18/143,533.72
  6. Step 6: Final answer
    x = 82,145.45

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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.