Home / 120,241.35-165,931.80-66,524.07

Finding the Fourth Proportional to 120,241.35, 165,931.80 and 66,524.07

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Solution

The fourth proportional to 120,241.35, 165,931.80 and 66,524.07 is: 91,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,241.35 : 165,931.80 = 66,524.07 : x
  2. Step 2: Convert to fraction form
    120,241.35/165,931.80 = 66,524.07/x
  3. Step 3: Cross multiply
    120,241.35x = 165,931.80 × 66,524.07
  4. Step 4: Simplify right side
    120,241.35x = 11,038,458,678.43
  5. Step 5: Solve for x
    x = 11,038,458,678.43/120,241.35
  6. Step 6: Final answer
    x = 91,802.52

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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.