Home / 119,730.10-165,227.39-66,015.97

Finding the Fourth Proportional to 119,730.10, 165,227.39 and 66,015.97

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Solution

The fourth proportional to 119,730.10, 165,227.39 and 66,015.97 is: 91,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,730.10 : 165,227.39 = 66,015.97 : x
  2. Step 2: Convert to fraction form
    119,730.10/165,227.39 = 66,015.97/x
  3. Step 3: Cross multiply
    119,730.10x = 165,227.39 × 66,015.97
  4. Step 4: Simplify right side
    119,730.10x = 10,907,646,421.42
  5. Step 5: Solve for x
    x = 10,907,646,421.42/119,730.10
  6. Step 6: Final answer
    x = 91,101.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.