Home / 178,752.05-268,127.83-45,632.30

Finding the Fourth Proportional to 178,752.05, 268,127.83 and 45,632.30

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Solution

The fourth proportional to 178,752.05, 268,127.83 and 45,632.30 is: 68,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,752.05 : 268,127.83 = 45,632.30 : x
  2. Step 2: Convert to fraction form
    178,752.05/268,127.83 = 45,632.30/x
  3. Step 3: Cross multiply
    178,752.05x = 268,127.83 × 45,632.30
  4. Step 4: Simplify right side
    178,752.05x = 12,235,288,122.19
  5. Step 5: Solve for x
    x = 12,235,288,122.19/178,752.05
  6. Step 6: Final answer
    x = 68,448.38

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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.