Home / 109,639.26-151,300.53-61,241.85

Finding the Fourth Proportional to 109,639.26, 151,300.53 and 61,241.85

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Solution

The fourth proportional to 109,639.26, 151,300.53 and 61,241.85 is: 84,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.26 : 151,300.53 = 61,241.85 : x
  2. Step 2: Convert to fraction form
    109,639.26/151,300.53 = 61,241.85/x
  3. Step 3: Cross multiply
    109,639.26x = 151,300.53 × 61,241.85
  4. Step 4: Simplify right side
    109,639.26x = 9,265,924,363.18
  5. Step 5: Solve for x
    x = 9,265,924,363.18/109,639.26
  6. Step 6: Final answer
    x = 84,512.83

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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.