Home / 134,530.94-185,661.13-74,101.57

Finding the Fourth Proportional to 134,530.94, 185,661.13 and 74,101.57

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Solution

The fourth proportional to 134,530.94, 185,661.13 and 74,101.57 is: 102,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530.94 : 185,661.13 = 74,101.57 : x
  2. Step 2: Convert to fraction form
    134,530.94/185,661.13 = 74,101.57/x
  3. Step 3: Cross multiply
    134,530.94x = 185,661.13 × 74,101.57
  4. Step 4: Simplify right side
    134,530.94x = 13,757,781,220.97
  5. Step 5: Solve for x
    x = 13,757,781,220.97/134,530.94
  6. Step 6: Final answer
    x = 102,264.81

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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.