Home / 187,580.70-258,851.16-102,681.36

Finding the Fourth Proportional to 187,580.70, 258,851.16 and 102,681.36

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Solution

The fourth proportional to 187,580.70, 258,851.16 and 102,681.36 is: 141,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,580.70 : 258,851.16 = 102,681.36 : x
  2. Step 2: Convert to fraction form
    187,580.70/258,851.16 = 102,681.36/x
  3. Step 3: Cross multiply
    187,580.70x = 258,851.16 × 102,681.36
  4. Step 4: Simplify right side
    187,580.70x = 26,579,189,146.38
  5. Step 5: Solve for x
    x = 26,579,189,146.38/187,580.70
  6. Step 6: Final answer
    x = 141,694.69

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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.