Home / 137,736.14-206,161.29-71,085.49

Finding the Fourth Proportional to 137,736.14, 206,161.29 and 71,085.49

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Solution

The fourth proportional to 137,736.14, 206,161.29 and 71,085.49 is: 106,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,736.14 : 206,161.29 = 71,085.49 : x
  2. Step 2: Convert to fraction form
    137,736.14/206,161.29 = 71,085.49/x
  3. Step 3: Cross multiply
    137,736.14x = 206,161.29 × 71,085.49
  4. Step 4: Simplify right side
    137,736.14x = 14,655,075,803.28
  5. Step 5: Solve for x
    x = 14,655,075,803.28/137,736.14
  6. Step 6: Final answer
    x = 106,399.64

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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.