Home / 197,046.72-271,878.12-146,176.92

Finding the Fourth Proportional to 197,046.72, 271,878.12 and 146,176.92

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Solution

The fourth proportional to 197,046.72, 271,878.12 and 146,176.92 is: 201,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,046.72 : 271,878.12 = 146,176.92 : x
  2. Step 2: Convert to fraction form
    197,046.72/271,878.12 = 146,176.92/x
  3. Step 3: Cross multiply
    197,046.72x = 271,878.12 × 146,176.92
  4. Step 4: Simplify right side
    197,046.72x = 39,742,306,196.99
  5. Step 5: Solve for x
    x = 39,742,306,196.99/197,046.72
  6. Step 6: Final answer
    x = 201,689.76

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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.