Home / 148,976.80-223,465.20-136,729.60

Finding the Fourth Proportional to 148,976.80, 223,465.20 and 136,729.60

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Solution

The fourth proportional to 148,976.80, 223,465.20 and 136,729.60 is: 205,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.80 : 223,465.20 = 136,729.60 : x
  2. Step 2: Convert to fraction form
    148,976.80/223,465.20 = 136,729.60/x
  3. Step 3: Cross multiply
    148,976.80x = 223,465.20 × 136,729.60
  4. Step 4: Simplify right side
    148,976.80x = 30,554,307,409.92
  5. Step 5: Solve for x
    x = 30,554,307,409.92/148,976.80
  6. Step 6: Final answer
    x = 205,094.40

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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.