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Finding the Fourth Proportional to 138,011.36, 207,017.04 and 110,179.04

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Solution

The fourth proportional to 138,011.36, 207,017.04 and 110,179.04 is: 165,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,011.36 : 207,017.04 = 110,179.04 : x
  2. Step 2: Convert to fraction form
    138,011.36/207,017.04 = 110,179.04/x
  3. Step 3: Cross multiply
    138,011.36x = 207,017.04 × 110,179.04
  4. Step 4: Simplify right side
    138,011.36x = 22,808,938,730.84
  5. Step 5: Solve for x
    x = 22,808,938,730.84/138,011.36
  6. Step 6: Final answer
    x = 165,268.56

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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.