Home / 154,942.80-232,435.80-66,195.60

Finding the Fourth Proportional to 154,942.80, 232,435.80 and 66,195.60

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Solution

The fourth proportional to 154,942.80, 232,435.80 and 66,195.60 is: 99,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,942.80 : 232,435.80 = 66,195.60 : x
  2. Step 2: Convert to fraction form
    154,942.80/232,435.80 = 66,195.60/x
  3. Step 3: Cross multiply
    154,942.80x = 232,435.80 × 66,195.60
  4. Step 4: Simplify right side
    154,942.80x = 15,386,227,242.48
  5. Step 5: Solve for x
    x = 15,386,227,242.48/154,942.80
  6. Step 6: Final answer
    x = 99,302.63

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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.