Home / 197,700.78-272,826.60-107,056.74

Finding the Fourth Proportional to 197,700.78, 272,826.60 and 107,056.74

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Solution

The fourth proportional to 197,700.78, 272,826.60 and 107,056.74 is: 147,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,700.78 : 272,826.60 = 107,056.74 : x
  2. Step 2: Convert to fraction form
    197,700.78/272,826.60 = 107,056.74/x
  3. Step 3: Cross multiply
    197,700.78x = 272,826.60 × 107,056.74
  4. Step 4: Simplify right side
    197,700.78x = 29,207,926,381.28
  5. Step 5: Solve for x
    x = 29,207,926,381.28/197,700.78
  6. Step 6: Final answer
    x = 147,738.04

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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.