Home / 134,745.17-185,949.22-74,317.45

Finding the Fourth Proportional to 134,745.17, 185,949.22 and 74,317.45

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Solution

The fourth proportional to 134,745.17, 185,949.22 and 74,317.45 is: 102,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.17 : 185,949.22 = 74,317.45 : x
  2. Step 2: Convert to fraction form
    134,745.17/185,949.22 = 74,317.45/x
  3. Step 3: Cross multiply
    134,745.17x = 185,949.22 × 74,317.45
  4. Step 4: Simplify right side
    134,745.17x = 13,819,271,697.22
  5. Step 5: Solve for x
    x = 13,819,271,697.22/134,745.17
  6. Step 6: Final answer
    x = 102,558.57

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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.