Home / 187,815.61-259,192.61-107,243.83

Finding the Fourth Proportional to 187,815.61, 259,192.61 and 107,243.83

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Solution

The fourth proportional to 187,815.61, 259,192.61 and 107,243.83 is: 148,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,815.61 : 259,192.61 = 107,243.83 : x
  2. Step 2: Convert to fraction form
    187,815.61/259,192.61 = 107,243.83/x
  3. Step 3: Cross multiply
    187,815.61x = 259,192.61 × 107,243.83
  4. Step 4: Simplify right side
    187,815.61x = 27,796,808,204.10
  5. Step 5: Solve for x
    x = 27,796,808,204.10/187,815.61
  6. Step 6: Final answer
    x = 148,000.52

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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.