Home / 187,681.28-258,935.81-107,050.77

Finding the Fourth Proportional to 187,681.28, 258,935.81 and 107,050.77

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Solution

The fourth proportional to 187,681.28, 258,935.81 and 107,050.77 is: 147,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,681.28 : 258,935.81 = 107,050.77 : x
  2. Step 2: Convert to fraction form
    187,681.28/258,935.81 = 107,050.77/x
  3. Step 3: Cross multiply
    187,681.28x = 258,935.81 × 107,050.77
  4. Step 4: Simplify right side
    187,681.28x = 27,719,277,305.82
  5. Step 5: Solve for x
    x = 27,719,277,305.82/187,681.28
  6. Step 6: Final answer
    x = 147,693.36

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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.