Home / 165,320.32-248,050.70-90,352.89

Finding the Fourth Proportional to 165,320.32, 248,050.70 and 90,352.89

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Solution

The fourth proportional to 165,320.32, 248,050.70 and 90,352.89 is: 135,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.32 : 248,050.70 = 90,352.89 : x
  2. Step 2: Convert to fraction form
    165,320.32/248,050.70 = 90,352.89/x
  3. Step 3: Cross multiply
    165,320.32x = 248,050.70 × 90,352.89
  4. Step 4: Simplify right side
    165,320.32x = 22,412,096,546.82
  5. Step 5: Solve for x
    x = 22,412,096,546.82/165,320.32
  6. Step 6: Final answer
    x = 135,567.71

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1.5x scale

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.