Home / 134,965.12-186,250.96-74,539.68

Finding the Fourth Proportional to 134,965.12, 186,250.96 and 74,539.68

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Solution

The fourth proportional to 134,965.12, 186,250.96 and 74,539.68 is: 102,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,965.12 : 186,250.96 = 74,539.68 : x
  2. Step 2: Convert to fraction form
    134,965.12/186,250.96 = 74,539.68/x
  3. Step 3: Cross multiply
    134,965.12x = 186,250.96 × 74,539.68
  4. Step 4: Simplify right side
    134,965.12x = 13,883,086,958.09
  5. Step 5: Solve for x
    x = 13,883,086,958.09/134,965.12
  6. Step 6: Final answer
    x = 102,864.26

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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.