Home / 100,214.31-138,291.70-59,950.33

Finding the Fourth Proportional to 100,214.31, 138,291.70 and 59,950.33

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Solution

The fourth proportional to 100,214.31, 138,291.70 and 59,950.33 is: 82,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,214.31 : 138,291.70 = 59,950.33 : x
  2. Step 2: Convert to fraction form
    100,214.31/138,291.70 = 59,950.33/x
  3. Step 3: Cross multiply
    100,214.31x = 138,291.70 × 59,950.33
  4. Step 4: Simplify right side
    100,214.31x = 8,290,633,051.26
  5. Step 5: Solve for x
    x = 8,290,633,051.26/100,214.31
  6. Step 6: Final answer
    x = 82,729.03

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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.