Home / 267,762.03-401,362.80-90,207.69

Finding the Fourth Proportional to 267,762.03, 401,362.80 and 90,207.69

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Solution

The fourth proportional to 267,762.03, 401,362.80 and 90,207.69 is: 135,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,762.03 : 401,362.80 = 90,207.69 : x
  2. Step 2: Convert to fraction form
    267,762.03/401,362.80 = 90,207.69/x
  3. Step 3: Cross multiply
    267,762.03x = 401,362.80 × 90,207.69
  4. Step 4: Simplify right side
    267,762.03x = 36,206,011,039.93
  5. Step 5: Solve for x
    x = 36,206,011,039.93/267,762.03
  6. Step 6: Final answer
    x = 135,217.12

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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.