Home / 88,722.10-133,083.15-87,555.70

Finding the Fourth Proportional to 88,722.10, 133,083.15 and 87,555.70

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Solution

The fourth proportional to 88,722.10, 133,083.15 and 87,555.70 is: 131,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,722.10 : 133,083.15 = 87,555.70 : x
  2. Step 2: Convert to fraction form
    88,722.10/133,083.15 = 87,555.70/x
  3. Step 3: Cross multiply
    88,722.10x = 133,083.15 × 87,555.70
  4. Step 4: Simplify right side
    88,722.10x = 11,652,188,356.46
  5. Step 5: Solve for x
    x = 11,652,188,356.46/88,722.10
  6. Step 6: Final answer
    x = 131,333.55

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1.5x scale

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.