Home / 178,726.02-268,087.20-45,604.86

Finding the Fourth Proportional to 178,726.02, 268,087.20 and 45,604.86

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Solution

The fourth proportional to 178,726.02, 268,087.20 and 45,604.86 is: 68,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,726.02 : 268,087.20 = 45,604.86 : x
  2. Step 2: Convert to fraction form
    178,726.02/268,087.20 = 45,604.86/x
  3. Step 3: Cross multiply
    178,726.02x = 268,087.20 × 45,604.86
  4. Step 4: Simplify right side
    178,726.02x = 12,226,079,223.79
  5. Step 5: Solve for x
    x = 12,226,079,223.79/178,726.02
  6. Step 6: Final answer
    x = 68,406.82

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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.