Home / 211,845.57-292,345.89-115,048.75

Finding the Fourth Proportional to 211,845.57, 292,345.89 and 115,048.75

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Solution

The fourth proportional to 211,845.57, 292,345.89 and 115,048.75 is: 158,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,845.57 : 292,345.89 = 115,048.75 : x
  2. Step 2: Convert to fraction form
    211,845.57/292,345.89 = 115,048.75/x
  3. Step 3: Cross multiply
    211,845.57x = 292,345.89 × 115,048.75
  4. Step 4: Simplify right side
    211,845.57x = 33,634,029,212.14
  5. Step 5: Solve for x
    x = 33,634,029,212.14/211,845.57
  6. Step 6: Final answer
    x = 158,766.73

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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.