Home / 154,312.44-212,890.32-96,918

Finding the Fourth Proportional to 154,312.44, 212,890.32 and 96,918

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Solution

The fourth proportional to 154,312.44, 212,890.32 and 96,918 is: 133,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.44 : 212,890.32 = 96,918 : x
  2. Step 2: Convert to fraction form
    154,312.44/212,890.32 = 96,918/x
  3. Step 3: Cross multiply
    154,312.44x = 212,890.32 × 96,918
  4. Step 4: Simplify right side
    154,312.44x = 20,632,904,033.76
  5. Step 5: Solve for x
    x = 20,632,904,033.76/154,312.44
  6. Step 6: Final answer
    x = 133,708.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.