Home / 187,399.87-281,127.59-54,263.51

Finding the Fourth Proportional to 187,399.87, 281,127.59 and 54,263.51

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Solution

The fourth proportional to 187,399.87, 281,127.59 and 54,263.51 is: 81,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,399.87 : 281,127.59 = 54,263.51 : x
  2. Step 2: Convert to fraction form
    187,399.87/281,127.59 = 54,263.51/x
  3. Step 3: Cross multiply
    187,399.87x = 281,127.59 × 54,263.51
  4. Step 4: Simplify right side
    187,399.87x = 15,254,969,791.24
  5. Step 5: Solve for x
    x = 15,254,969,791.24/187,399.87
  6. Step 6: Final answer
    x = 81,403.31

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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.