Home / 187,703.52-259,038-107,144.16

Finding the Fourth Proportional to 187,703.52, 259,038 and 107,144.16

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Solution

The fourth proportional to 187,703.52, 259,038 and 107,144.16 is: 147,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,703.52 : 259,038 = 107,144.16 : x
  2. Step 2: Convert to fraction form
    187,703.52/259,038 = 107,144.16/x
  3. Step 3: Cross multiply
    187,703.52x = 259,038 × 107,144.16
  4. Step 4: Simplify right side
    187,703.52x = 27,754,408,918.08
  5. Step 5: Solve for x
    x = 27,754,408,918.08/187,703.52
  6. Step 6: Final answer
    x = 147,863.02

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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.