Home / 110,427.90-165,641.85-102,992.10

Finding the Fourth Proportional to 110,427.90, 165,641.85 and 102,992.10

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Solution

The fourth proportional to 110,427.90, 165,641.85 and 102,992.10 is: 154,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,427.90 : 165,641.85 = 102,992.10 : x
  2. Step 2: Convert to fraction form
    110,427.90/165,641.85 = 102,992.10/x
  3. Step 3: Cross multiply
    110,427.90x = 165,641.85 × 102,992.10
  4. Step 4: Simplify right side
    110,427.90x = 17,059,801,979.39
  5. Step 5: Solve for x
    x = 17,059,801,979.39/110,427.90
  6. Step 6: Final answer
    x = 154,488.15

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1.5x scale

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.