Home / 187,539.95-281,058.32-120,945.80

Finding the Fourth Proportional to 187,539.95, 281,058.32 and 120,945.80

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Solution

The fourth proportional to 187,539.95, 281,058.32 and 120,945.80 is: 181,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,539.95 : 281,058.32 = 120,945.80 : x
  2. Step 2: Convert to fraction form
    187,539.95/281,058.32 = 120,945.80/x
  3. Step 3: Cross multiply
    187,539.95x = 281,058.32 × 120,945.80
  4. Step 4: Simplify right side
    187,539.95x = 33,992,824,364.07
  5. Step 5: Solve for x
    x = 33,992,824,364.07/187,539.95
  6. Step 6: Final answer
    x = 181,256.44

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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.