Home / 213,747.64-320,410.04-101,230.16

Finding the Fourth Proportional to 213,747.64, 320,410.04 and 101,230.16

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Solution

The fourth proportional to 213,747.64, 320,410.04 and 101,230.16 is: 151,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,747.64 : 320,410.04 = 101,230.16 : x
  2. Step 2: Convert to fraction form
    213,747.64/320,410.04 = 101,230.16/x
  3. Step 3: Cross multiply
    213,747.64x = 320,410.04 × 101,230.16
  4. Step 4: Simplify right side
    213,747.64x = 32,435,159,614.81
  5. Step 5: Solve for x
    x = 32,435,159,614.81/213,747.64
  6. Step 6: Final answer
    x = 151,745.11

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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.