Home / 120,244.14-165,941.80-66,528.29

Finding the Fourth Proportional to 120,244.14, 165,941.80 and 66,528.29

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Solution

The fourth proportional to 120,244.14, 165,941.80 and 66,528.29 is: 91,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,244.14 : 165,941.80 = 66,528.29 : x
  2. Step 2: Convert to fraction form
    120,244.14/165,941.80 = 66,528.29/x
  3. Step 3: Cross multiply
    120,244.14x = 165,941.80 × 66,528.29
  4. Step 4: Simplify right side
    120,244.14x = 11,039,824,442.06
  5. Step 5: Solve for x
    x = 11,039,824,442.06/120,244.14
  6. Step 6: Final answer
    x = 91,811.75

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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.