Home / 135,097.87-186,442.14-77,745.94

Finding the Fourth Proportional to 135,097.87, 186,442.14 and 77,745.94

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Solution

The fourth proportional to 135,097.87, 186,442.14 and 77,745.94 is: 107,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,097.87 : 186,442.14 = 77,745.94 : x
  2. Step 2: Convert to fraction form
    135,097.87/186,442.14 = 77,745.94/x
  3. Step 3: Cross multiply
    135,097.87x = 186,442.14 × 77,745.94
  4. Step 4: Simplify right side
    135,097.87x = 14,495,119,429.91
  5. Step 5: Solve for x
    x = 14,495,119,429.91/135,097.87
  6. Step 6: Final answer
    x = 107,293.47

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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.