Home / 149,362.04-206,195.80-101,218.32

Finding the Fourth Proportional to 149,362.04, 206,195.80 and 101,218.32

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Solution

The fourth proportional to 149,362.04, 206,195.80 and 101,218.32 is: 139,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,362.04 : 206,195.80 = 101,218.32 : x
  2. Step 2: Convert to fraction form
    149,362.04/206,195.80 = 101,218.32/x
  3. Step 3: Cross multiply
    149,362.04x = 206,195.80 × 101,218.32
  4. Step 4: Simplify right side
    149,362.04x = 20,870,792,467.06
  5. Step 5: Solve for x
    x = 20,870,792,467.06/149,362.04
  6. Step 6: Final answer
    x = 139,732.91

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1.5x scale

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.