Home / 197,360.10-272,294.78-120,799.40

Finding the Fourth Proportional to 197,360.10, 272,294.78 and 120,799.40

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Solution

The fourth proportional to 197,360.10, 272,294.78 and 120,799.40 is: 166,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,360.10 : 272,294.78 = 120,799.40 : x
  2. Step 2: Convert to fraction form
    197,360.10/272,294.78 = 120,799.40/x
  3. Step 3: Cross multiply
    197,360.10x = 272,294.78 × 120,799.40
  4. Step 4: Simplify right side
    197,360.10x = 32,893,044,081.66
  5. Step 5: Solve for x
    x = 32,893,044,081.66/197,360.10
  6. Step 6: Final answer
    x = 166,665.12

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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.