Home / 100,214.25-138,291.62-59,950.28

Finding the Fourth Proportional to 100,214.25, 138,291.62 and 59,950.28

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Solution

The fourth proportional to 100,214.25, 138,291.62 and 59,950.28 is: 82,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,214.25 : 138,291.62 = 59,950.28 : x
  2. Step 2: Convert to fraction form
    100,214.25/138,291.62 = 59,950.28/x
  3. Step 3: Cross multiply
    100,214.25x = 138,291.62 × 59,950.28
  4. Step 4: Simplify right side
    100,214.25x = 8,290,620,349.44
  5. Step 5: Solve for x
    x = 8,290,620,349.44/100,214.25
  6. Step 6: Final answer
    x = 82,728.96

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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.