Home / 146,569.80-220,010.22-139,104.84

Finding the Fourth Proportional to 146,569.80, 220,010.22 and 139,104.84

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Solution

The fourth proportional to 146,569.80, 220,010.22 and 139,104.84 is: 208,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,569.80 : 220,010.22 = 139,104.84 : x
  2. Step 2: Convert to fraction form
    146,569.80/220,010.22 = 139,104.84/x
  3. Step 3: Cross multiply
    146,569.80x = 220,010.22 × 139,104.84
  4. Step 4: Simplify right side
    146,569.80x = 30,604,486,451.46
  5. Step 5: Solve for x
    x = 30,604,486,451.46/146,569.80
  6. Step 6: Final answer
    x = 208,804.86

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1.5x scale

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.