Home / 172,414.23-237,927.89-99,820.19

Finding the Fourth Proportional to 172,414.23, 237,927.89 and 99,820.19

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Solution

The fourth proportional to 172,414.23, 237,927.89 and 99,820.19 is: 137,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414.23 : 237,927.89 = 99,820.19 : x
  2. Step 2: Convert to fraction form
    172,414.23/237,927.89 = 99,820.19/x
  3. Step 3: Cross multiply
    172,414.23x = 237,927.89 × 99,820.19
  4. Step 4: Simplify right side
    172,414.23x = 23,750,005,497.36
  5. Step 5: Solve for x
    x = 23,750,005,497.36/172,414.23
  6. Step 6: Final answer
    x = 137,749.68

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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.