Home / 77,636.58-116,371.81-40,158.93

Finding the Fourth Proportional to 77,636.58, 116,371.81 and 40,158.93

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Solution

The fourth proportional to 77,636.58, 116,371.81 and 40,158.93 is: 60,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.58 : 116,371.81 = 40,158.93 : x
  2. Step 2: Convert to fraction form
    77,636.58/116,371.81 = 40,158.93/x
  3. Step 3: Cross multiply
    77,636.58x = 116,371.81 × 40,158.93
  4. Step 4: Simplify right side
    77,636.58x = 4,673,367,371.76
  5. Step 5: Solve for x
    x = 4,673,367,371.76/77,636.58
  6. Step 6: Final answer
    x = 60,195.43

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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.