Home / 134,824.47-186,057.56-74,395.07

Finding the Fourth Proportional to 134,824.47, 186,057.56 and 74,395.07

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Solution

The fourth proportional to 134,824.47, 186,057.56 and 74,395.07 is: 102,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.47 : 186,057.56 = 74,395.07 : x
  2. Step 2: Convert to fraction form
    134,824.47/186,057.56 = 74,395.07/x
  3. Step 3: Cross multiply
    134,824.47x = 186,057.56 × 74,395.07
  4. Step 4: Simplify right side
    134,824.47x = 13,841,764,595.68
  5. Step 5: Solve for x
    x = 13,841,764,595.68/134,824.47
  6. Step 6: Final answer
    x = 102,665.07

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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.