Home / 138,975.95-191,716.37-93,037.41

Finding the Fourth Proportional to 138,975.95, 191,716.37 and 93,037.41

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Solution

The fourth proportional to 138,975.95, 191,716.37 and 93,037.41 is: 128,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,975.95 : 191,716.37 = 93,037.41 : x
  2. Step 2: Convert to fraction form
    138,975.95/191,716.37 = 93,037.41/x
  3. Step 3: Cross multiply
    138,975.95x = 191,716.37 × 93,037.41
  4. Step 4: Simplify right side
    138,975.95x = 17,836,794,403.10
  5. Step 5: Solve for x
    x = 17,836,794,403.10/138,975.95
  6. Step 6: Final answer
    x = 128,344.47

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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.