Home / 154,193.76-231,178.86-104,148.72

Finding the Fourth Proportional to 154,193.76, 231,178.86 and 104,148.72

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Solution

The fourth proportional to 154,193.76, 231,178.86 and 104,148.72 is: 156,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,193.76 : 231,178.86 = 104,148.72 : x
  2. Step 2: Convert to fraction form
    154,193.76/231,178.86 = 104,148.72/x
  3. Step 3: Cross multiply
    154,193.76x = 231,178.86 × 104,148.72
  4. Step 4: Simplify right side
    154,193.76x = 24,076,982,360.06
  5. Step 5: Solve for x
    x = 24,076,982,360.06/154,193.76
  6. Step 6: Final answer
    x = 156,147.58

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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.