Home / 161,707.10-242,560.65-102,803.90

Finding the Fourth Proportional to 161,707.10, 242,560.65 and 102,803.90

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Solution

The fourth proportional to 161,707.10, 242,560.65 and 102,803.90 is: 154,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,707.10 : 242,560.65 = 102,803.90 : x
  2. Step 2: Convert to fraction form
    161,707.10/242,560.65 = 102,803.90/x
  3. Step 3: Cross multiply
    161,707.10x = 242,560.65 × 102,803.90
  4. Step 4: Simplify right side
    161,707.10x = 24,936,180,806.54
  5. Step 5: Solve for x
    x = 24,936,180,806.54/161,707.10
  6. Step 6: Final answer
    x = 154,205.85

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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.