Home / 187,580.15-258,885.26-106,989.20

Finding the Fourth Proportional to 187,580.15, 258,885.26 and 106,989.20

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Solution

The fourth proportional to 187,580.15, 258,885.26 and 106,989.20 is: 147,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,580.15 : 258,885.26 = 106,989.20 : x
  2. Step 2: Convert to fraction form
    187,580.15/258,885.26 = 106,989.20/x
  3. Step 3: Cross multiply
    187,580.15x = 258,885.26 × 106,989.20
  4. Step 4: Simplify right side
    187,580.15x = 27,697,926,859.19
  5. Step 5: Solve for x
    x = 27,697,926,859.19/187,580.15
  6. Step 6: Final answer
    x = 147,659.16

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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.