Home / 165,530.60-248,814.30-162,420.20

Finding the Fourth Proportional to 165,530.60, 248,814.30 and 162,420.20

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Solution

The fourth proportional to 165,530.60, 248,814.30 and 162,420.20 is: 244,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.60 : 248,814.30 = 162,420.20 : x
  2. Step 2: Convert to fraction form
    165,530.60/248,814.30 = 162,420.20/x
  3. Step 3: Cross multiply
    165,530.60x = 248,814.30 × 162,420.20
  4. Step 4: Simplify right side
    165,530.60x = 40,412,468,368.86
  5. Step 5: Solve for x
    x = 40,412,468,368.86/165,530.60
  6. Step 6: Final answer
    x = 244,138.96

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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.