Home / 154,951.46-213,824.03-86,962.08

Finding the Fourth Proportional to 154,951.46, 213,824.03 and 86,962.08

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Solution

The fourth proportional to 154,951.46, 213,824.03 and 86,962.08 is: 120,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,951.46 : 213,824.03 = 86,962.08 : x
  2. Step 2: Convert to fraction form
    154,951.46/213,824.03 = 86,962.08/x
  3. Step 3: Cross multiply
    154,951.46x = 213,824.03 × 86,962.08
  4. Step 4: Simplify right side
    154,951.46x = 18,594,581,967.97
  5. Step 5: Solve for x
    x = 18,594,581,967.97/154,951.46
  6. Step 6: Final answer
    x = 120,002.63

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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.