Home / 197,757.56-272,925-112,887.40

Finding the Fourth Proportional to 197,757.56, 272,925 and 112,887.40

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Solution

The fourth proportional to 197,757.56, 272,925 and 112,887.40 is: 155,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,757.56 : 272,925 = 112,887.40 : x
  2. Step 2: Convert to fraction form
    197,757.56/272,925 = 112,887.40/x
  3. Step 3: Cross multiply
    197,757.56x = 272,925 × 112,887.40
  4. Step 4: Simplify right side
    197,757.56x = 30,809,793,645
  5. Step 5: Solve for x
    x = 30,809,793,645/197,757.56
  6. Step 6: Final answer
    x = 155,795.78

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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.