Home / 137,713.17-190,217.40-113,601.51

Finding the Fourth Proportional to 137,713.17, 190,217.40 and 113,601.51

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Solution

The fourth proportional to 137,713.17, 190,217.40 and 113,601.51 is: 156,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,713.17 : 190,217.40 = 113,601.51 : x
  2. Step 2: Convert to fraction form
    137,713.17/190,217.40 = 113,601.51/x
  3. Step 3: Cross multiply
    137,713.17x = 190,217.40 × 113,601.51
  4. Step 4: Simplify right side
    137,713.17x = 21,608,983,868.27
  5. Step 5: Solve for x
    x = 21,608,983,868.27/137,713.17
  6. Step 6: Final answer
    x = 156,912.98

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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.