Home / 91,846.18-137,501.70-68,258.44

Finding the Fourth Proportional to 91,846.18, 137,501.70 and 68,258.44

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Solution

The fourth proportional to 91,846.18, 137,501.70 and 68,258.44 is: 102,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,846.18 : 137,501.70 = 68,258.44 : x
  2. Step 2: Convert to fraction form
    91,846.18/137,501.70 = 68,258.44/x
  3. Step 3: Cross multiply
    91,846.18x = 137,501.70 × 68,258.44
  4. Step 4: Simplify right side
    91,846.18x = 9,385,651,539.35
  5. Step 5: Solve for x
    x = 9,385,651,539.35/91,846.18
  6. Step 6: Final answer
    x = 102,188.81

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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.