Home / 187,915.36-259,321.26-103,032.28

Finding the Fourth Proportional to 187,915.36, 259,321.26 and 103,032.28

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Solution

The fourth proportional to 187,915.36, 259,321.26 and 103,032.28 is: 142,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.36 : 259,321.26 = 103,032.28 : x
  2. Step 2: Convert to fraction form
    187,915.36/259,321.26 = 103,032.28/x
  3. Step 3: Cross multiply
    187,915.36x = 259,321.26 × 103,032.28
  4. Step 4: Simplify right side
    187,915.36x = 26,718,460,670.27
  5. Step 5: Solve for x
    x = 26,718,460,670.27/187,915.36
  6. Step 6: Final answer
    x = 142,183.48

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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.