Home / 89,202.71-133,761.67-51,774.26

Finding the Fourth Proportional to 89,202.71, 133,761.67 and 51,774.26

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Solution

The fourth proportional to 89,202.71, 133,761.67 and 51,774.26 is: 77,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.71 : 133,761.67 = 51,774.26 : x
  2. Step 2: Convert to fraction form
    89,202.71/133,761.67 = 51,774.26/x
  3. Step 3: Cross multiply
    89,202.71x = 133,761.67 × 51,774.26
  4. Step 4: Simplify right side
    89,202.71x = 6,925,410,682.37
  5. Step 5: Solve for x
    x = 6,925,410,682.37/89,202.71
  6. Step 6: Final answer
    x = 77,636.77

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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.