Home / 197,236.50-272,186.37-107,812.50

Finding the Fourth Proportional to 197,236.50, 272,186.37 and 107,812.50

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Solution

The fourth proportional to 197,236.50, 272,186.37 and 107,812.50 is: 148,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,236.50 : 272,186.37 = 107,812.50 : x
  2. Step 2: Convert to fraction form
    197,236.50/272,186.37 = 107,812.50/x
  3. Step 3: Cross multiply
    197,236.50x = 272,186.37 × 107,812.50
  4. Step 4: Simplify right side
    197,236.50x = 29,345,093,015.63
  5. Step 5: Solve for x
    x = 29,345,093,015.63/197,236.50
  6. Step 6: Final answer
    x = 148,781.25

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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.