Home / 188,295.11-259,849.30-103,412.17

Finding the Fourth Proportional to 188,295.11, 259,849.30 and 103,412.17

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Solution

The fourth proportional to 188,295.11, 259,849.30 and 103,412.17 is: 142,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,295.11 : 259,849.30 = 103,412.17 : x
  2. Step 2: Convert to fraction form
    188,295.11/259,849.30 = 103,412.17/x
  3. Step 3: Cross multiply
    188,295.11x = 259,849.30 × 103,412.17
  4. Step 4: Simplify right side
    188,295.11x = 26,871,579,985.98
  5. Step 5: Solve for x
    x = 26,871,579,985.98/188,295.11
  6. Step 6: Final answer
    x = 142,709.92

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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.