Home / 108,977.76-163,463.40-30,096.72

Finding the Fourth Proportional to 108,977.76, 163,463.40 and 30,096.72

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Solution

The fourth proportional to 108,977.76, 163,463.40 and 30,096.72 is: 45,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,977.76 : 163,463.40 = 30,096.72 : x
  2. Step 2: Convert to fraction form
    108,977.76/163,463.40 = 30,096.72/x
  3. Step 3: Cross multiply
    108,977.76x = 163,463.40 × 30,096.72
  4. Step 4: Simplify right side
    108,977.76x = 4,919,712,180.05
  5. Step 5: Solve for x
    x = 4,919,712,180.05/108,977.76
  6. Step 6: Final answer
    x = 45,144.19

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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.