Home / 197,678.88-272,801.52-112,803.84

Finding the Fourth Proportional to 197,678.88, 272,801.52 and 112,803.84

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Solution

The fourth proportional to 197,678.88, 272,801.52 and 112,803.84 is: 155,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678.88 : 272,801.52 = 112,803.84 : x
  2. Step 2: Convert to fraction form
    197,678.88/272,801.52 = 112,803.84/x
  3. Step 3: Cross multiply
    197,678.88x = 272,801.52 × 112,803.84
  4. Step 4: Simplify right side
    197,678.88x = 30,773,059,013.84
  5. Step 5: Solve for x
    x = 30,773,059,013.84/197,678.88
  6. Step 6: Final answer
    x = 155,671.96

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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.