Home / 148,436.60-222,654.90-143,187.80

Finding the Fourth Proportional to 148,436.60, 222,654.90 and 143,187.80

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Solution

The fourth proportional to 148,436.60, 222,654.90 and 143,187.80 is: 214,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,436.60 : 222,654.90 = 143,187.80 : x
  2. Step 2: Convert to fraction form
    148,436.60/222,654.90 = 143,187.80/x
  3. Step 3: Cross multiply
    148,436.60x = 222,654.90 × 143,187.80
  4. Step 4: Simplify right side
    148,436.60x = 31,881,465,290.22
  5. Step 5: Solve for x
    x = 31,881,465,290.22/148,436.60
  6. Step 6: Final answer
    x = 214,781.70

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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.