Home / 137,906.18-206,754.02-71,303.80

Finding the Fourth Proportional to 137,906.18, 206,754.02 and 71,303.80

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Solution

The fourth proportional to 137,906.18, 206,754.02 and 71,303.80 is: 106,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,906.18 : 206,754.02 = 71,303.80 : x
  2. Step 2: Convert to fraction form
    137,906.18/206,754.02 = 71,303.80/x
  3. Step 3: Cross multiply
    137,906.18x = 206,754.02 × 71,303.80
  4. Step 4: Simplify right side
    137,906.18x = 14,742,347,291.28
  5. Step 5: Solve for x
    x = 14,742,347,291.28/137,906.18
  6. Step 6: Final answer
    x = 106,901.28

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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.