Home / 154,292.20-231,323.10-84,250.60

Finding the Fourth Proportional to 154,292.20, 231,323.10 and 84,250.60

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Solution

The fourth proportional to 154,292.20, 231,323.10 and 84,250.60 is: 126,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,292.20 : 231,323.10 = 84,250.60 : x
  2. Step 2: Convert to fraction form
    154,292.20/231,323.10 = 84,250.60/x
  3. Step 3: Cross multiply
    154,292.20x = 231,323.10 × 84,250.60
  4. Step 4: Simplify right side
    154,292.20x = 19,489,109,968.86
  5. Step 5: Solve for x
    x = 19,489,109,968.86/154,292.20
  6. Step 6: Final answer
    x = 126,313.00

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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.