Home / 78,974.56-118,444.41-22,802.45

Finding the Fourth Proportional to 78,974.56, 118,444.41 and 22,802.45

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Solution

The fourth proportional to 78,974.56, 118,444.41 and 22,802.45 is: 34,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,974.56 : 118,444.41 = 22,802.45 : x
  2. Step 2: Convert to fraction form
    78,974.56/118,444.41 = 22,802.45/x
  3. Step 3: Cross multiply
    78,974.56x = 118,444.41 × 22,802.45
  4. Step 4: Simplify right side
    78,974.56x = 2,700,822,144.58
  5. Step 5: Solve for x
    x = 2,700,822,144.58/78,974.56
  6. Step 6: Final answer
    x = 34,198.63

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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.