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Finding the Fourth Proportional to 117,555.92, 162,227.40 and 63,840.32

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Solution

The fourth proportional to 117,555.92, 162,227.40 and 63,840.32 is: 88,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,555.92 : 162,227.40 = 63,840.32 : x
  2. Step 2: Convert to fraction form
    117,555.92/162,227.40 = 63,840.32/x
  3. Step 3: Cross multiply
    117,555.92x = 162,227.40 × 63,840.32
  4. Step 4: Simplify right side
    117,555.92x = 10,356,649,128.77
  5. Step 5: Solve for x
    x = 10,356,649,128.77/117,555.92
  6. Step 6: Final answer
    x = 88,099.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.