Home / 95,007.21-142,511.17-77,153.43

Finding the Fourth Proportional to 95,007.21, 142,511.17 and 77,153.43

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Solution

The fourth proportional to 95,007.21, 142,511.17 and 77,153.43 is: 115,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,007.21 : 142,511.17 = 77,153.43 : x
  2. Step 2: Convert to fraction form
    95,007.21/142,511.17 = 77,153.43/x
  3. Step 3: Cross multiply
    95,007.21x = 142,511.17 × 77,153.43
  4. Step 4: Simplify right side
    95,007.21x = 10,995,225,578.81
  5. Step 5: Solve for x
    x = 10,995,225,578.81/95,007.21
  6. Step 6: Final answer
    x = 115,730.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.