Home / 197,512.78-272,566.46-112,628.02

Finding the Fourth Proportional to 197,512.78, 272,566.46 and 112,628.02

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Solution

The fourth proportional to 197,512.78, 272,566.46 and 112,628.02 is: 155,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,512.78 : 272,566.46 = 112,628.02 : x
  2. Step 2: Convert to fraction form
    197,512.78/272,566.46 = 112,628.02/x
  3. Step 3: Cross multiply
    197,512.78x = 272,566.46 × 112,628.02
  4. Step 4: Simplify right side
    197,512.78x = 30,698,620,708.21
  5. Step 5: Solve for x
    x = 30,698,620,708.21/197,512.78
  6. Step 6: Final answer
    x = 155,426.00

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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.