Home / 197,812.52-272,980.89-107,170.75

Finding the Fourth Proportional to 197,812.52, 272,980.89 and 107,170.75

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Solution

The fourth proportional to 197,812.52, 272,980.89 and 107,170.75 is: 147,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,812.52 : 272,980.89 = 107,170.75 : x
  2. Step 2: Convert to fraction form
    197,812.52/272,980.89 = 107,170.75/x
  3. Step 3: Cross multiply
    197,812.52x = 272,980.89 × 107,170.75
  4. Step 4: Simplify right side
    197,812.52x = 29,255,567,460.08
  5. Step 5: Solve for x
    x = 29,255,567,460.08/197,812.52
  6. Step 6: Final answer
    x = 147,895.43

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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.