Home / 134,817.50-186,047.97-74,388.12

Finding the Fourth Proportional to 134,817.50, 186,047.97 and 74,388.12

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Solution

The fourth proportional to 134,817.50, 186,047.97 and 74,388.12 is: 102,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.50 : 186,047.97 = 74,388.12 : x
  2. Step 2: Convert to fraction form
    134,817.50/186,047.97 = 74,388.12/x
  3. Step 3: Cross multiply
    134,817.50x = 186,047.97 × 74,388.12
  4. Step 4: Simplify right side
    134,817.50x = 13,839,758,718.12
  5. Step 5: Solve for x
    x = 13,839,758,718.12/134,817.50
  6. Step 6: Final answer
    x = 102,655.51

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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.