Home / 165,979.60-248,969.18-66,209.86

Finding the Fourth Proportional to 165,979.60, 248,969.18 and 66,209.86

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Solution

The fourth proportional to 165,979.60, 248,969.18 and 66,209.86 is: 99,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,979.60 : 248,969.18 = 66,209.86 : x
  2. Step 2: Convert to fraction form
    165,979.60/248,969.18 = 66,209.86/x
  3. Step 3: Cross multiply
    165,979.60x = 248,969.18 × 66,209.86
  4. Step 4: Simplify right side
    165,979.60x = 16,484,214,552.11
  5. Step 5: Solve for x
    x = 16,484,214,552.11/165,979.60
  6. Step 6: Final answer
    x = 99,314.70

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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.