Home / 134,863.85-186,111.18-74,434.49

Finding the Fourth Proportional to 134,863.85, 186,111.18 and 74,434.49

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Solution

The fourth proportional to 134,863.85, 186,111.18 and 74,434.49 is: 102,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.85 : 186,111.18 = 74,434.49 : x
  2. Step 2: Convert to fraction form
    134,863.85/186,111.18 = 74,434.49/x
  3. Step 3: Cross multiply
    134,863.85x = 186,111.18 × 74,434.49
  4. Step 4: Simplify right side
    134,863.85x = 13,853,090,766.60
  5. Step 5: Solve for x
    x = 13,853,090,766.60/134,863.85
  6. Step 6: Final answer
    x = 102,719.08

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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.