Home / 110,540.20-165,864.30-51,345.40

Finding the Fourth Proportional to 110,540.20, 165,864.30 and 51,345.40

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Solution

The fourth proportional to 110,540.20, 165,864.30 and 51,345.40 is: 77,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.20 : 165,864.30 = 51,345.40 : x
  2. Step 2: Convert to fraction form
    110,540.20/165,864.30 = 51,345.40/x
  3. Step 3: Cross multiply
    110,540.20x = 165,864.30 × 51,345.40
  4. Step 4: Simplify right side
    110,540.20x = 8,516,368,829.22
  5. Step 5: Solve for x
    x = 8,516,368,829.22/110,540.20
  6. Step 6: Final answer
    x = 77,043.18

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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.