Home / 204,745.20-307,117.78-57,001.20

Finding the Fourth Proportional to 204,745.20, 307,117.78 and 57,001.20

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Solution

The fourth proportional to 204,745.20, 307,117.78 and 57,001.20 is: 85,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,745.20 : 307,117.78 = 57,001.20 : x
  2. Step 2: Convert to fraction form
    204,745.20/307,117.78 = 57,001.20/x
  3. Step 3: Cross multiply
    204,745.20x = 307,117.78 × 57,001.20
  4. Step 4: Simplify right side
    204,745.20x = 17,506,082,001.34
  5. Step 5: Solve for x
    x = 17,506,082,001.34/204,745.20
  6. Step 6: Final answer
    x = 85,501.79

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1.5x scale

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.