Home / 238,919.95-329,716.16-130,025.29

Finding the Fourth Proportional to 238,919.95, 329,716.16 and 130,025.29

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Solution

The fourth proportional to 238,919.95, 329,716.16 and 130,025.29 is: 179,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,919.95 : 329,716.16 = 130,025.29 : x
  2. Step 2: Convert to fraction form
    238,919.95/329,716.16 = 130,025.29/x
  3. Step 3: Cross multiply
    238,919.95x = 329,716.16 × 130,025.29
  4. Step 4: Simplify right side
    238,919.95x = 42,871,439,321.69
  5. Step 5: Solve for x
    x = 42,871,439,321.69/238,919.95
  6. Step 6: Final answer
    x = 179,438.51

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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.