Home / 187,327.56-258,433.56-122,812.26

Finding the Fourth Proportional to 187,327.56, 258,433.56 and 122,812.26

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Solution

The fourth proportional to 187,327.56, 258,433.56 and 122,812.26 is: 169,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,327.56 : 258,433.56 = 122,812.26 : x
  2. Step 2: Convert to fraction form
    187,327.56/258,433.56 = 122,812.26/x
  3. Step 3: Cross multiply
    187,327.56x = 258,433.56 × 122,812.26
  4. Step 4: Simplify right side
    187,327.56x = 31,738,809,563.45
  5. Step 5: Solve for x
    x = 31,738,809,563.45/187,327.56
  6. Step 6: Final answer
    x = 169,429.47

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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.