Home / 100,277.90-138,346.89-59,992.82

Finding the Fourth Proportional to 100,277.90, 138,346.89 and 59,992.82

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Solution

The fourth proportional to 100,277.90, 138,346.89 and 59,992.82 is: 82,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.90 : 138,346.89 = 59,992.82 : x
  2. Step 2: Convert to fraction form
    100,277.90/138,346.89 = 59,992.82/x
  3. Step 3: Cross multiply
    100,277.90x = 138,346.89 × 59,992.82
  4. Step 4: Simplify right side
    100,277.90x = 8,299,820,069.33
  5. Step 5: Solve for x
    x = 8,299,820,069.33/100,277.90
  6. Step 6: Final answer
    x = 82,768.19

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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.