Home / 197,656.38-272,763.80-107,009.94

Finding the Fourth Proportional to 197,656.38, 272,763.80 and 107,009.94

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Solution

The fourth proportional to 197,656.38, 272,763.80 and 107,009.94 is: 147,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,656.38 : 272,763.80 = 107,009.94 : x
  2. Step 2: Convert to fraction form
    197,656.38/272,763.80 = 107,009.94/x
  3. Step 3: Cross multiply
    197,656.38x = 272,763.80 × 107,009.94
  4. Step 4: Simplify right side
    197,656.38x = 29,188,437,872.17
  5. Step 5: Solve for x
    x = 29,188,437,872.17/197,656.38
  6. Step 6: Final answer
    x = 147,672.63

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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.