Home / 165,997.14-229,075.65-90,545.64

Finding the Fourth Proportional to 165,997.14, 229,075.65 and 90,545.64

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Solution

The fourth proportional to 165,997.14, 229,075.65 and 90,545.64 is: 124,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,997.14 : 229,075.65 = 90,545.64 : x
  2. Step 2: Convert to fraction form
    165,997.14/229,075.65 = 90,545.64/x
  3. Step 3: Cross multiply
    165,997.14x = 229,075.65 × 90,545.64
  4. Step 4: Simplify right side
    165,997.14x = 20,741,801,337.67
  5. Step 5: Solve for x
    x = 20,741,801,337.67/165,997.14
  6. Step 6: Final answer
    x = 124,952.76

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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.