Home / 187,319.26-258,502.62-102,434.50

Finding the Fourth Proportional to 187,319.26, 258,502.62 and 102,434.50

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Solution

The fourth proportional to 187,319.26, 258,502.62 and 102,434.50 is: 141,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,319.26 : 258,502.62 = 102,434.50 : x
  2. Step 2: Convert to fraction form
    187,319.26/258,502.62 = 102,434.50/x
  3. Step 3: Cross multiply
    187,319.26x = 258,502.62 × 102,434.50
  4. Step 4: Simplify right side
    187,319.26x = 26,479,586,628.39
  5. Step 5: Solve for x
    x = 26,479,586,628.39/187,319.26
  6. Step 6: Final answer
    x = 141,360.73

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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.