Home / 104,189.14-143,778.03-61,167.92

Finding the Fourth Proportional to 104,189.14, 143,778.03 and 61,167.92

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Solution

The fourth proportional to 104,189.14, 143,778.03 and 61,167.92 is: 84,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,189.14 : 143,778.03 = 61,167.92 : x
  2. Step 2: Convert to fraction form
    104,189.14/143,778.03 = 61,167.92/x
  3. Step 3: Cross multiply
    104,189.14x = 143,778.03 × 61,167.92
  4. Step 4: Simplify right side
    104,189.14x = 8,794,603,036.80
  5. Step 5: Solve for x
    x = 8,794,603,036.80/104,189.14
  6. Step 6: Final answer
    x = 84,409.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.