Home / 197,405.52-272,420.46-106,761.50

Finding the Fourth Proportional to 197,405.52, 272,420.46 and 106,761.50

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Solution

The fourth proportional to 197,405.52, 272,420.46 and 106,761.50 is: 147,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,405.52 : 272,420.46 = 106,761.50 : x
  2. Step 2: Convert to fraction form
    197,405.52/272,420.46 = 106,761.50/x
  3. Step 3: Cross multiply
    197,405.52x = 272,420.46 × 106,761.50
  4. Step 4: Simplify right side
    197,405.52x = 29,084,016,940.29
  5. Step 5: Solve for x
    x = 29,084,016,940.29/197,405.52
  6. Step 6: Final answer
    x = 147,331.33

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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.