Home / 187,339.09-258,558.56-139,260.37

Finding the Fourth Proportional to 187,339.09, 258,558.56 and 139,260.37

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Solution

The fourth proportional to 187,339.09, 258,558.56 and 139,260.37 is: 192,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339.09 : 258,558.56 = 139,260.37 : x
  2. Step 2: Convert to fraction form
    187,339.09/258,558.56 = 139,260.37/x
  3. Step 3: Cross multiply
    187,339.09x = 258,558.56 × 139,260.37
  4. Step 4: Simplify right side
    187,339.09x = 36,006,960,732.27
  5. Step 5: Solve for x
    x = 36,006,960,732.27/187,339.09
  6. Step 6: Final answer
    x = 192,202.07

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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.