Home / 134,887.14-186,154.56-74,469.42

Finding the Fourth Proportional to 134,887.14, 186,154.56 and 74,469.42

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Solution

The fourth proportional to 134,887.14, 186,154.56 and 74,469.42 is: 102,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,887.14 : 186,154.56 = 74,469.42 : x
  2. Step 2: Convert to fraction form
    134,887.14/186,154.56 = 74,469.42/x
  3. Step 3: Cross multiply
    134,887.14x = 186,154.56 × 74,469.42
  4. Step 4: Simplify right side
    134,887.14x = 13,862,822,113.56
  5. Step 5: Solve for x
    x = 13,862,822,113.56/134,887.14
  6. Step 6: Final answer
    x = 102,773.49

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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.