Home / 175,747.68-242,551.44-100,308.96

Finding the Fourth Proportional to 175,747.68, 242,551.44 and 100,308.96

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Solution

The fourth proportional to 175,747.68, 242,551.44 and 100,308.96 is: 138,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,747.68 : 242,551.44 = 100,308.96 : x
  2. Step 2: Convert to fraction form
    175,747.68/242,551.44 = 100,308.96/x
  3. Step 3: Cross multiply
    175,747.68x = 242,551.44 × 100,308.96
  4. Step 4: Simplify right side
    175,747.68x = 24,330,082,692.90
  5. Step 5: Solve for x
    x = 24,330,082,692.90/175,747.68
  6. Step 6: Final answer
    x = 138,437.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.