Home / 155,849.40-234,055.70-136,495.80

Finding the Fourth Proportional to 155,849.40, 234,055.70 and 136,495.80

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Solution

The fourth proportional to 155,849.40, 234,055.70 and 136,495.80 is: 204,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,849.40 : 234,055.70 = 136,495.80 : x
  2. Step 2: Convert to fraction form
    155,849.40/234,055.70 = 136,495.80/x
  3. Step 3: Cross multiply
    155,849.40x = 234,055.70 × 136,495.80
  4. Step 4: Simplify right side
    155,849.40x = 31,947,620,016.06
  5. Step 5: Solve for x
    x = 31,947,620,016.06/155,849.40
  6. Step 6: Final answer
    x = 204,990.33

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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.