Home / 165,320.21-248,050.52-90,352.77

Finding the Fourth Proportional to 165,320.21, 248,050.52 and 90,352.77

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Solution

The fourth proportional to 165,320.21, 248,050.52 and 90,352.77 is: 135,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.21 : 248,050.52 = 90,352.77 : x
  2. Step 2: Convert to fraction form
    165,320.21/248,050.52 = 90,352.77/x
  3. Step 3: Cross multiply
    165,320.21x = 248,050.52 × 90,352.77
  4. Step 4: Simplify right side
    165,320.21x = 22,412,050,538.81
  5. Step 5: Solve for x
    x = 22,412,050,538.81/165,320.21
  6. Step 6: Final answer
    x = 135,567.52

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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.