Home / 118,232.31-163,161-64,518.51

Finding the Fourth Proportional to 118,232.31, 163,161 and 64,518.51

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Solution

The fourth proportional to 118,232.31, 163,161 and 64,518.51 is: 89,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.31 : 163,161 = 64,518.51 : x
  2. Step 2: Convert to fraction form
    118,232.31/163,161 = 64,518.51/x
  3. Step 3: Cross multiply
    118,232.31x = 163,161 × 64,518.51
  4. Step 4: Simplify right side
    118,232.31x = 10,526,904,610.11
  5. Step 5: Solve for x
    x = 10,526,904,610.11/118,232.31
  6. Step 6: Final answer
    x = 89,035.77

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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.