Home / 106,218.19-159,351.29-35,140.66

Finding the Fourth Proportional to 106,218.19, 159,351.29 and 35,140.66

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Solution

The fourth proportional to 106,218.19, 159,351.29 and 35,140.66 is: 52,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.19 : 159,351.29 = 35,140.66 : x
  2. Step 2: Convert to fraction form
    106,218.19/159,351.29 = 35,140.66/x
  3. Step 3: Cross multiply
    106,218.19x = 159,351.29 × 35,140.66
  4. Step 4: Simplify right side
    106,218.19x = 5,599,709,502.45
  5. Step 5: Solve for x
    x = 5,599,709,502.45/106,218.19
  6. Step 6: Final answer
    x = 52,718.93

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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.