Home / 178,731.99-268,097.76-45,612.25

Finding the Fourth Proportional to 178,731.99, 268,097.76 and 45,612.25

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Solution

The fourth proportional to 178,731.99, 268,097.76 and 45,612.25 is: 68,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.99 : 268,097.76 = 45,612.25 : x
  2. Step 2: Convert to fraction form
    178,731.99/268,097.76 = 45,612.25/x
  3. Step 3: Cross multiply
    178,731.99x = 268,097.76 × 45,612.25
  4. Step 4: Simplify right side
    178,731.99x = 12,228,541,383.32
  5. Step 5: Solve for x
    x = 12,228,541,383.32/178,731.99
  6. Step 6: Final answer
    x = 68,418.31

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1.5x scale

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.