Home / 211,804.75-292,291.35-115,008.73

Finding the Fourth Proportional to 211,804.75, 292,291.35 and 115,008.73

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Solution

The fourth proportional to 211,804.75, 292,291.35 and 115,008.73 is: 158,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,804.75 : 292,291.35 = 115,008.73 : x
  2. Step 2: Convert to fraction form
    211,804.75/292,291.35 = 115,008.73/x
  3. Step 3: Cross multiply
    211,804.75x = 292,291.35 × 115,008.73
  4. Step 4: Simplify right side
    211,804.75x = 33,616,056,953.49
  5. Step 5: Solve for x
    x = 33,616,056,953.49/211,804.75
  6. Step 6: Final answer
    x = 158,712.48

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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.