Home / 117,157.36-161,677.92-63,442.37

Finding the Fourth Proportional to 117,157.36, 161,677.92 and 63,442.37

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Solution

The fourth proportional to 117,157.36, 161,677.92 and 63,442.37 is: 87,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,157.36 : 161,677.92 = 63,442.37 : x
  2. Step 2: Convert to fraction form
    117,157.36/161,677.92 = 63,442.37/x
  3. Step 3: Cross multiply
    117,157.36x = 161,677.92 × 63,442.37
  4. Step 4: Simplify right side
    117,157.36x = 10,257,230,421.47
  5. Step 5: Solve for x
    x = 10,257,230,421.47/117,157.36
  6. Step 6: Final answer
    x = 87,550.88

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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.