Home / 146,039.91-218,965.66-57,302.38

Finding the Fourth Proportional to 146,039.91, 218,965.66 and 57,302.38

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Solution

The fourth proportional to 146,039.91, 218,965.66 and 57,302.38 is: 85,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,039.91 : 218,965.66 = 57,302.38 : x
  2. Step 2: Convert to fraction form
    146,039.91/218,965.66 = 57,302.38/x
  3. Step 3: Cross multiply
    146,039.91x = 218,965.66 × 57,302.38
  4. Step 4: Simplify right side
    146,039.91x = 12,547,253,456.27
  5. Step 5: Solve for x
    x = 12,547,253,456.27/146,039.91
  6. Step 6: Final answer
    x = 85,916.61

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1.5x scale

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.