Home / 88,529.10-133,052.85-77,124.30

Finding the Fourth Proportional to 88,529.10, 133,052.85 and 77,124.30

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Solution

The fourth proportional to 88,529.10, 133,052.85 and 77,124.30 is: 115,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,529.10 : 133,052.85 = 77,124.30 : x
  2. Step 2: Convert to fraction form
    88,529.10/133,052.85 = 77,124.30/x
  3. Step 3: Cross multiply
    88,529.10x = 133,052.85 × 77,124.30
  4. Step 4: Simplify right side
    88,529.10x = 10,261,607,919.26
  5. Step 5: Solve for x
    x = 10,261,607,919.26/88,529.10
  6. Step 6: Final answer
    x = 115,912.26

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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.