Home / 154,258.30-231,342.06-69,969.70

Finding the Fourth Proportional to 154,258.30, 231,342.06 and 69,969.70

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Solution

The fourth proportional to 154,258.30, 231,342.06 and 69,969.70 is: 104,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,258.30 : 231,342.06 = 69,969.70 : x
  2. Step 2: Convert to fraction form
    154,258.30/231,342.06 = 69,969.70/x
  3. Step 3: Cross multiply
    154,258.30x = 231,342.06 × 69,969.70
  4. Step 4: Simplify right side
    154,258.30x = 16,186,934,535.58
  5. Step 5: Solve for x
    x = 16,186,934,535.58/154,258.30
  6. Step 6: Final answer
    x = 104,933.96

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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.