Home / 157,241.38-216,996.99-85,625.30

Finding the Fourth Proportional to 157,241.38, 216,996.99 and 85,625.30

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Solution

The fourth proportional to 157,241.38, 216,996.99 and 85,625.30 is: 118,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,241.38 : 216,996.99 = 85,625.30 : x
  2. Step 2: Convert to fraction form
    157,241.38/216,996.99 = 85,625.30/x
  3. Step 3: Cross multiply
    157,241.38x = 216,996.99 × 85,625.30
  4. Step 4: Simplify right side
    157,241.38x = 18,580,432,146.45
  5. Step 5: Solve for x
    x = 18,580,432,146.45/157,241.38
  6. Step 6: Final answer
    x = 118,165.03

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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.