Home / 172,916.28-238,613.58-96,446.61

Finding the Fourth Proportional to 172,916.28, 238,613.58 and 96,446.61

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Solution

The fourth proportional to 172,916.28, 238,613.58 and 96,446.61 is: 133,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,916.28 : 238,613.58 = 96,446.61 : x
  2. Step 2: Convert to fraction form
    172,916.28/238,613.58 = 96,446.61/x
  3. Step 3: Cross multiply
    172,916.28x = 238,613.58 × 96,446.61
  4. Step 4: Simplify right side
    172,916.28x = 23,013,470,890.96
  5. Step 5: Solve for x
    x = 23,013,470,890.96/172,916.28
  6. Step 6: Final answer
    x = 133,090.25

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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.