Home / 149,360.20-206,193.26-101,216.47

Finding the Fourth Proportional to 149,360.20, 206,193.26 and 101,216.47

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Solution

The fourth proportional to 149,360.20, 206,193.26 and 101,216.47 is: 139,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,360.20 : 206,193.26 = 101,216.47 : x
  2. Step 2: Convert to fraction form
    149,360.20/206,193.26 = 101,216.47/x
  3. Step 3: Cross multiply
    149,360.20x = 206,193.26 × 101,216.47
  4. Step 4: Simplify right side
    149,360.20x = 20,870,153,914.99
  5. Step 5: Solve for x
    x = 20,870,153,914.99/149,360.20
  6. Step 6: Final answer
    x = 139,730.36

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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.