Home / 109,560.49-151,200.39-61,796.41

Finding the Fourth Proportional to 109,560.49, 151,200.39 and 61,796.41

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Solution

The fourth proportional to 109,560.49, 151,200.39 and 61,796.41 is: 85,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,560.49 : 151,200.39 = 61,796.41 : x
  2. Step 2: Convert to fraction form
    109,560.49/151,200.39 = 61,796.41/x
  3. Step 3: Cross multiply
    109,560.49x = 151,200.39 × 61,796.41
  4. Step 4: Simplify right side
    109,560.49x = 9,343,641,292.60
  5. Step 5: Solve for x
    x = 9,343,641,292.60/109,560.49
  6. Step 6: Final answer
    x = 85,282.95

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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.