Home / 187,455.24-281,058.12-103,255.02

Finding the Fourth Proportional to 187,455.24, 281,058.12 and 103,255.02

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Solution

The fourth proportional to 187,455.24, 281,058.12 and 103,255.02 is: 154,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,455.24 : 281,058.12 = 103,255.02 : x
  2. Step 2: Convert to fraction form
    187,455.24/281,058.12 = 103,255.02/x
  3. Step 3: Cross multiply
    187,455.24x = 281,058.12 × 103,255.02
  4. Step 4: Simplify right side
    187,455.24x = 29,020,661,801.76
  5. Step 5: Solve for x
    x = 29,020,661,801.76/187,455.24
  6. Step 6: Final answer
    x = 154,813.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.