Home / 187,916.36-259,322.64-103,033.28

Finding the Fourth Proportional to 187,916.36, 259,322.64 and 103,033.28

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Solution

The fourth proportional to 187,916.36, 259,322.64 and 103,033.28 is: 142,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,916.36 : 259,322.64 = 103,033.28 : x
  2. Step 2: Convert to fraction form
    187,916.36/259,322.64 = 103,033.28/x
  3. Step 3: Cross multiply
    187,916.36x = 259,322.64 × 103,033.28
  4. Step 4: Simplify right side
    187,916.36x = 26,718,862,177.46
  5. Step 5: Solve for x
    x = 26,718,862,177.46/187,916.36
  6. Step 6: Final answer
    x = 142,184.86

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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.