Home / 148,020.60-220,623.80-139,613.42

Finding the Fourth Proportional to 148,020.60, 220,623.80 and 139,613.42

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Solution

The fourth proportional to 148,020.60, 220,623.80 and 139,613.42 is: 208,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.60 : 220,623.80 = 139,613.42 : x
  2. Step 2: Convert to fraction form
    148,020.60/220,623.80 = 139,613.42/x
  3. Step 3: Cross multiply
    148,020.60x = 220,623.80 × 139,613.42
  4. Step 4: Simplify right side
    148,020.60x = 30,802,041,450.21
  5. Step 5: Solve for x
    x = 30,802,041,450.21/148,020.60
  6. Step 6: Final answer
    x = 208,092.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.