Home / 211,994.91-292,552.02-121,350.38

Finding the Fourth Proportional to 211,994.91, 292,552.02 and 121,350.38

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Solution

The fourth proportional to 211,994.91, 292,552.02 and 121,350.38 is: 167,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,994.91 : 292,552.02 = 121,350.38 : x
  2. Step 2: Convert to fraction form
    211,994.91/292,552.02 = 121,350.38/x
  3. Step 3: Cross multiply
    211,994.91x = 292,552.02 × 121,350.38
  4. Step 4: Simplify right side
    211,994.91x = 35,501,297,334.01
  5. Step 5: Solve for x
    x = 35,501,297,334.01/211,994.91
  6. Step 6: Final answer
    x = 167,462.97

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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.