Home / 154,612.44-231,946.34-79,712.48

Finding the Fourth Proportional to 154,612.44, 231,946.34 and 79,712.48

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Solution

The fourth proportional to 154,612.44, 231,946.34 and 79,712.48 is: 119,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,612.44 : 231,946.34 = 79,712.48 : x
  2. Step 2: Convert to fraction form
    154,612.44/231,946.34 = 79,712.48/x
  3. Step 3: Cross multiply
    154,612.44x = 231,946.34 × 79,712.48
  4. Step 4: Simplify right side
    154,612.44x = 18,489,017,988.32
  5. Step 5: Solve for x
    x = 18,489,017,988.32/154,612.44
  6. Step 6: Final answer
    x = 119,582.99

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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.