Home / 120,174.69-165,853.53-69,189.24

Finding the Fourth Proportional to 120,174.69, 165,853.53 and 69,189.24

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Solution

The fourth proportional to 120,174.69, 165,853.53 and 69,189.24 is: 95,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,174.69 : 165,853.53 = 69,189.24 : x
  2. Step 2: Convert to fraction form
    120,174.69/165,853.53 = 69,189.24/x
  3. Step 3: Cross multiply
    120,174.69x = 165,853.53 × 69,189.24
  4. Step 4: Simplify right side
    120,174.69x = 11,475,279,692.02
  5. Step 5: Solve for x
    x = 11,475,279,692.02/120,174.69
  6. Step 6: Final answer
    x = 95,488.32

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1.5x scale

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.