Home / 187,143.35-258,258.48-102,260.41

Finding the Fourth Proportional to 187,143.35, 258,258.48 and 102,260.41

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Solution

The fourth proportional to 187,143.35, 258,258.48 and 102,260.41 is: 141,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,143.35 : 258,258.48 = 102,260.41 : x
  2. Step 2: Convert to fraction form
    187,143.35/258,258.48 = 102,260.41/x
  3. Step 3: Cross multiply
    187,143.35x = 258,258.48 × 102,260.41
  4. Step 4: Simplify right side
    187,143.35x = 26,409,617,021.65
  5. Step 5: Solve for x
    x = 26,409,617,021.65/187,143.35
  6. Step 6: Final answer
    x = 141,119.72

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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.