Home / 149,153.30-205,741.32-95,419.52

Finding the Fourth Proportional to 149,153.30, 205,741.32 and 95,419.52

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Solution

The fourth proportional to 149,153.30, 205,741.32 and 95,419.52 is: 131,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153.30 : 205,741.32 = 95,419.52 : x
  2. Step 2: Convert to fraction form
    149,153.30/205,741.32 = 95,419.52/x
  3. Step 3: Cross multiply
    149,153.30x = 205,741.32 × 95,419.52
  4. Step 4: Simplify right side
    149,153.30x = 19,631,737,998.57
  5. Step 5: Solve for x
    x = 19,631,737,998.57/149,153.30
  6. Step 6: Final answer
    x = 131,621.21

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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.