Home / 143,388.93-215,037.35-47,304.54

Finding the Fourth Proportional to 143,388.93, 215,037.35 and 47,304.54

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Solution

The fourth proportional to 143,388.93, 215,037.35 and 47,304.54 is: 70,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,388.93 : 215,037.35 = 47,304.54 : x
  2. Step 2: Convert to fraction form
    143,388.93/215,037.35 = 47,304.54/x
  3. Step 3: Cross multiply
    143,388.93x = 215,037.35 × 47,304.54
  4. Step 4: Simplify right side
    143,388.93x = 10,172,242,865.44
  5. Step 5: Solve for x
    x = 10,172,242,865.44/143,388.93
  6. Step 6: Final answer
    x = 70,941.62

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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.