Home / 211,864.80-292,375.53-115,070.54

Finding the Fourth Proportional to 211,864.80, 292,375.53 and 115,070.54

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Solution

The fourth proportional to 211,864.80, 292,375.53 and 115,070.54 is: 158,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,864.80 : 292,375.53 = 115,070.54 : x
  2. Step 2: Convert to fraction form
    211,864.80/292,375.53 = 115,070.54/x
  3. Step 3: Cross multiply
    211,864.80x = 292,375.53 × 115,070.54
  4. Step 4: Simplify right side
    211,864.80x = 33,643,810,119.89
  5. Step 5: Solve for x
    x = 33,643,810,119.89/211,864.80
  6. Step 6: Final answer
    x = 158,798.49

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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.