Home / 161,941.03-242,907.90-73,170.70

Finding the Fourth Proportional to 161,941.03, 242,907.90 and 73,170.70

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Solution

The fourth proportional to 161,941.03, 242,907.90 and 73,170.70 is: 109,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,941.03 : 242,907.90 = 73,170.70 : x
  2. Step 2: Convert to fraction form
    161,941.03/242,907.90 = 73,170.70/x
  3. Step 3: Cross multiply
    161,941.03x = 242,907.90 × 73,170.70
  4. Step 4: Simplify right side
    161,941.03x = 17,773,741,078.53
  5. Step 5: Solve for x
    x = 17,773,741,078.53/161,941.03
  6. Step 6: Final answer
    x = 109,754.40

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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.