Home / 134,804.22-186,028.59-74,375.40

Finding the Fourth Proportional to 134,804.22, 186,028.59 and 74,375.40

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Solution

The fourth proportional to 134,804.22, 186,028.59 and 74,375.40 is: 102,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,804.22 : 186,028.59 = 74,375.40 : x
  2. Step 2: Convert to fraction form
    134,804.22/186,028.59 = 74,375.40/x
  3. Step 3: Cross multiply
    134,804.22x = 186,028.59 × 74,375.40
  4. Step 4: Simplify right side
    134,804.22x = 13,835,950,792.69
  5. Step 5: Solve for x
    x = 13,835,950,792.69/134,804.22
  6. Step 6: Final answer
    x = 102,637.37

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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.