Home / 118,495.04-177,787.44-71,143.20

Finding the Fourth Proportional to 118,495.04, 177,787.44 and 71,143.20

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Solution

The fourth proportional to 118,495.04, 177,787.44 and 71,143.20 is: 106,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,495.04 : 177,787.44 = 71,143.20 : x
  2. Step 2: Convert to fraction form
    118,495.04/177,787.44 = 71,143.20/x
  3. Step 3: Cross multiply
    118,495.04x = 177,787.44 × 71,143.20
  4. Step 4: Simplify right side
    118,495.04x = 12,648,367,401.41
  5. Step 5: Solve for x
    x = 12,648,367,401.41/118,495.04
  6. Step 6: Final answer
    x = 106,741.75

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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.