Home / 137,559.26-206,034.06-105,735

Finding the Fourth Proportional to 137,559.26, 206,034.06 and 105,735

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Solution

The fourth proportional to 137,559.26, 206,034.06 and 105,735 is: 158,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,559.26 : 206,034.06 = 105,735 : x
  2. Step 2: Convert to fraction form
    137,559.26/206,034.06 = 105,735/x
  3. Step 3: Cross multiply
    137,559.26x = 206,034.06 × 105,735
  4. Step 4: Simplify right side
    137,559.26x = 21,785,011,334.10
  5. Step 5: Solve for x
    x = 21,785,011,334.10/137,559.26
  6. Step 6: Final answer
    x = 158,368.19

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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.