Home / 154,810.20-232,215.30-91,824.60

Finding the Fourth Proportional to 154,810.20, 232,215.30 and 91,824.60

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Solution

The fourth proportional to 154,810.20, 232,215.30 and 91,824.60 is: 137,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,810.20 : 232,215.30 = 91,824.60 : x
  2. Step 2: Convert to fraction form
    154,810.20/232,215.30 = 91,824.60/x
  3. Step 3: Cross multiply
    154,810.20x = 232,215.30 × 91,824.60
  4. Step 4: Simplify right side
    154,810.20x = 21,323,077,036.38
  5. Step 5: Solve for x
    x = 21,323,077,036.38/154,810.20
  6. Step 6: Final answer
    x = 137,736.90

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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.