Home / 187,660.73-258,907.47-107,030.27

Finding the Fourth Proportional to 187,660.73, 258,907.47 and 107,030.27

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Solution

The fourth proportional to 187,660.73, 258,907.47 and 107,030.27 is: 147,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,660.73 : 258,907.47 = 107,030.27 : x
  2. Step 2: Convert to fraction form
    187,660.73/258,907.47 = 107,030.27/x
  3. Step 3: Cross multiply
    187,660.73x = 258,907.47 × 107,030.27
  4. Step 4: Simplify right side
    187,660.73x = 27,710,936,419.12
  5. Step 5: Solve for x
    x = 27,710,936,419.12/187,660.73
  6. Step 6: Final answer
    x = 147,665.08

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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.