Home / 134,899.49-186,161.57-74,470.21

Finding the Fourth Proportional to 134,899.49, 186,161.57 and 74,470.21

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Solution

The fourth proportional to 134,899.49, 186,161.57 and 74,470.21 is: 102,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,899.49 : 186,161.57 = 74,470.21 : x
  2. Step 2: Convert to fraction form
    134,899.49/186,161.57 = 74,470.21/x
  3. Step 3: Cross multiply
    134,899.49x = 186,161.57 × 74,470.21
  4. Step 4: Simplify right side
    134,899.49x = 13,863,490,374.07
  5. Step 5: Solve for x
    x = 13,863,490,374.07/134,899.49
  6. Step 6: Final answer
    x = 102,769.04

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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.