Home / 197,722.81-272,877.02-112,852.63

Finding the Fourth Proportional to 197,722.81, 272,877.02 and 112,852.63

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Solution

The fourth proportional to 197,722.81, 272,877.02 and 112,852.63 is: 155,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,722.81 : 272,877.02 = 112,852.63 : x
  2. Step 2: Convert to fraction form
    197,722.81/272,877.02 = 112,852.63/x
  3. Step 3: Cross multiply
    197,722.81x = 272,877.02 × 112,852.63
  4. Step 4: Simplify right side
    197,722.81x = 30,794,889,373.56
  5. Step 5: Solve for x
    x = 30,794,889,373.56/197,722.81
  6. Step 6: Final answer
    x = 155,747.78

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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.