Home / 187,415.52-258,607.92-111,948

Finding the Fourth Proportional to 187,415.52, 258,607.92 and 111,948

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Solution

The fourth proportional to 187,415.52, 258,607.92 and 111,948 is: 154,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.52 : 258,607.92 = 111,948 : x
  2. Step 2: Convert to fraction form
    187,415.52/258,607.92 = 111,948/x
  3. Step 3: Cross multiply
    187,415.52x = 258,607.92 × 111,948
  4. Step 4: Simplify right side
    187,415.52x = 28,950,639,428.16
  5. Step 5: Solve for x
    x = 28,950,639,428.16/187,415.52
  6. Step 6: Final answer
    x = 154,473.01

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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.