Home / 78,787.41-118,181.13-26,197.35

Finding the Fourth Proportional to 78,787.41, 118,181.13 and 26,197.35

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Solution

The fourth proportional to 78,787.41, 118,181.13 and 26,197.35 is: 39,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,787.41 : 118,181.13 = 26,197.35 : x
  2. Step 2: Convert to fraction form
    78,787.41/118,181.13 = 26,197.35/x
  3. Step 3: Cross multiply
    78,787.41x = 118,181.13 × 26,197.35
  4. Step 4: Simplify right side
    78,787.41x = 3,096,032,426.01
  5. Step 5: Solve for x
    x = 3,096,032,426.01/78,787.41
  6. Step 6: Final answer
    x = 39,296.03

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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.