Home / 161,903.10-242,563.05-99,500.70

Finding the Fourth Proportional to 161,903.10, 242,563.05 and 99,500.70

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Solution

The fourth proportional to 161,903.10, 242,563.05 and 99,500.70 is: 149,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,903.10 : 242,563.05 = 99,500.70 : x
  2. Step 2: Convert to fraction form
    161,903.10/242,563.05 = 99,500.70/x
  3. Step 3: Cross multiply
    161,903.10x = 242,563.05 × 99,500.70
  4. Step 4: Simplify right side
    161,903.10x = 24,135,193,269.14
  5. Step 5: Solve for x
    x = 24,135,193,269.14/161,903.10
  6. Step 6: Final answer
    x = 149,071.84

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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.