Home / 221,942.36-332,962.86-103,549.11

Finding the Fourth Proportional to 221,942.36, 332,962.86 and 103,549.11

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Solution

The fourth proportional to 221,942.36, 332,962.86 and 103,549.11 is: 155,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,942.36 : 332,962.86 = 103,549.11 : x
  2. Step 2: Convert to fraction form
    221,942.36/332,962.86 = 103,549.11/x
  3. Step 3: Cross multiply
    221,942.36x = 332,962.86 × 103,549.11
  4. Step 4: Simplify right side
    221,942.36x = 34,478,007,298.31
  5. Step 5: Solve for x
    x = 34,478,007,298.31/221,942.36
  6. Step 6: Final answer
    x = 155,346.68

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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.