Home / 197,688.60-296,727.30-97,961.40

Finding the Fourth Proportional to 197,688.60, 296,727.30 and 97,961.40

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Solution

The fourth proportional to 197,688.60, 296,727.30 and 97,961.40 is: 147,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,688.60 : 296,727.30 = 97,961.40 : x
  2. Step 2: Convert to fraction form
    197,688.60/296,727.30 = 97,961.40/x
  3. Step 3: Cross multiply
    197,688.60x = 296,727.30 × 97,961.40
  4. Step 4: Simplify right side
    197,688.60x = 29,067,821,726.22
  5. Step 5: Solve for x
    x = 29,067,821,726.22/197,688.60
  6. Step 6: Final answer
    x = 147,038.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.