Home / 165,528.70-248,293.05-106,431.10

Finding the Fourth Proportional to 165,528.70, 248,293.05 and 106,431.10

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Solution

The fourth proportional to 165,528.70, 248,293.05 and 106,431.10 is: 159,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.70 : 248,293.05 = 106,431.10 : x
  2. Step 2: Convert to fraction form
    165,528.70/248,293.05 = 106,431.10/x
  3. Step 3: Cross multiply
    165,528.70x = 248,293.05 × 106,431.10
  4. Step 4: Simplify right side
    165,528.70x = 26,426,102,433.86
  5. Step 5: Solve for x
    x = 26,426,102,433.86/165,528.70
  6. Step 6: Final answer
    x = 159,646.65

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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.