Home / 138,164.06-207,246.10-49,412.18

Finding the Fourth Proportional to 138,164.06, 207,246.10 and 49,412.18

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Solution

The fourth proportional to 138,164.06, 207,246.10 and 49,412.18 is: 74,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,164.06 : 207,246.10 = 49,412.18 : x
  2. Step 2: Convert to fraction form
    138,164.06/207,246.10 = 49,412.18/x
  3. Step 3: Cross multiply
    138,164.06x = 207,246.10 × 49,412.18
  4. Step 4: Simplify right side
    138,164.06x = 10,240,481,597.50
  5. Step 5: Solve for x
    x = 10,240,481,597.50/138,164.06
  6. Step 6: Final answer
    x = 74,118.27

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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.