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Finding the Fourth Proportional to 211,681.51, 292,120.37 and 119,799.13

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Solution

The fourth proportional to 211,681.51, 292,120.37 and 119,799.13 is: 165,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,681.51 : 292,120.37 = 119,799.13 : x
  2. Step 2: Convert to fraction form
    211,681.51/292,120.37 = 119,799.13/x
  3. Step 3: Cross multiply
    211,681.51x = 292,120.37 × 119,799.13
  4. Step 4: Simplify right side
    211,681.51x = 34,995,766,181.28
  5. Step 5: Solve for x
    x = 34,995,766,181.28/211,681.51
  6. Step 6: Final answer
    x = 165,322.73

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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.