Home / 187,681.88-281,522.75-75,362.07

Finding the Fourth Proportional to 187,681.88, 281,522.75 and 75,362.07

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Solution

The fourth proportional to 187,681.88, 281,522.75 and 75,362.07 is: 113,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,681.88 : 281,522.75 = 75,362.07 : x
  2. Step 2: Convert to fraction form
    187,681.88/281,522.75 = 75,362.07/x
  3. Step 3: Cross multiply
    187,681.88x = 281,522.75 × 75,362.07
  4. Step 4: Simplify right side
    187,681.88x = 21,216,136,360.11
  5. Step 5: Solve for x
    x = 21,216,136,360.11/187,681.88
  6. Step 6: Final answer
    x = 113,043.07

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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.