Home / 187,329.56-258,436.32-122,814.26

Finding the Fourth Proportional to 187,329.56, 258,436.32 and 122,814.26

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Solution

The fourth proportional to 187,329.56, 258,436.32 and 122,814.26 is: 169,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,329.56 : 258,436.32 = 122,814.26 : x
  2. Step 2: Convert to fraction form
    187,329.56/258,436.32 = 122,814.26/x
  3. Step 3: Cross multiply
    187,329.56x = 258,436.32 × 122,814.26
  4. Step 4: Simplify right side
    187,329.56x = 31,739,665,397.92
  5. Step 5: Solve for x
    x = 31,739,665,397.92/187,329.56
  6. Step 6: Final answer
    x = 169,432.23

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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.