Home / 187,174.15-258,299.75-102,291.21

Finding the Fourth Proportional to 187,174.15, 258,299.75 and 102,291.21

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Solution

The fourth proportional to 187,174.15, 258,299.75 and 102,291.21 is: 141,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.15 : 258,299.75 = 102,291.21 : x
  2. Step 2: Convert to fraction form
    187,174.15/258,299.75 = 102,291.21/x
  3. Step 3: Cross multiply
    187,174.15x = 258,299.75 × 102,291.21
  4. Step 4: Simplify right side
    187,174.15x = 26,421,794,225.93
  5. Step 5: Solve for x
    x = 26,421,794,225.93/187,174.15
  6. Step 6: Final answer
    x = 141,161.56

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1.5x scale

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.