Home / 143,371.32-214,765.38-72,250.08

Finding the Fourth Proportional to 143,371.32, 214,765.38 and 72,250.08

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Solution

The fourth proportional to 143,371.32, 214,765.38 and 72,250.08 is: 108,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,371.32 : 214,765.38 = 72,250.08 : x
  2. Step 2: Convert to fraction form
    143,371.32/214,765.38 = 72,250.08/x
  3. Step 3: Cross multiply
    143,371.32x = 214,765.38 × 72,250.08
  4. Step 4: Simplify right side
    143,371.32x = 15,516,815,886.23
  5. Step 5: Solve for x
    x = 15,516,815,886.23/143,371.32
  6. Step 6: Final answer
    x = 108,228.17

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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.