Home / 88,523.10-133,043.85-77,118.30

Finding the Fourth Proportional to 88,523.10, 133,043.85 and 77,118.30

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Solution

The fourth proportional to 88,523.10, 133,043.85 and 77,118.30 is: 115,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,523.10 : 133,043.85 = 77,118.30 : x
  2. Step 2: Convert to fraction form
    88,523.10/133,043.85 = 77,118.30/x
  3. Step 3: Cross multiply
    88,523.10x = 133,043.85 × 77,118.30
  4. Step 4: Simplify right side
    88,523.10x = 10,260,115,537.46
  5. Step 5: Solve for x
    x = 10,260,115,537.46/88,523.10
  6. Step 6: Final answer
    x = 115,903.26

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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.