Home / 119,290.64-164,629.80-71,542.96

Finding the Fourth Proportional to 119,290.64, 164,629.80 and 71,542.96

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Solution

The fourth proportional to 119,290.64, 164,629.80 and 71,542.96 is: 98,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,290.64 : 164,629.80 = 71,542.96 : x
  2. Step 2: Convert to fraction form
    119,290.64/164,629.80 = 71,542.96/x
  3. Step 3: Cross multiply
    119,290.64x = 164,629.80 × 71,542.96
  4. Step 4: Simplify right side
    119,290.64x = 11,778,103,196.21
  5. Step 5: Solve for x
    x = 11,778,103,196.21/119,290.64
  6. Step 6: Final answer
    x = 98,734.51

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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.