Home / 165,320.60-248,499.30-162,210.20

Finding the Fourth Proportional to 165,320.60, 248,499.30 and 162,210.20

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Solution

The fourth proportional to 165,320.60, 248,499.30 and 162,210.20 is: 243,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.60 : 248,499.30 = 162,210.20 : x
  2. Step 2: Convert to fraction form
    165,320.60/248,499.30 = 162,210.20/x
  3. Step 3: Cross multiply
    165,320.60x = 248,499.30 × 162,210.20
  4. Step 4: Simplify right side
    165,320.60x = 40,309,121,152.86
  5. Step 5: Solve for x
    x = 40,309,121,152.86/165,320.60
  6. Step 6: Final answer
    x = 243,823.95

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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.