Home / 211,635.74-292,070.44-139,891.34

Finding the Fourth Proportional to 211,635.74, 292,070.44 and 139,891.34

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Solution

The fourth proportional to 211,635.74, 292,070.44 and 139,891.34 is: 193,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,635.74 : 292,070.44 = 139,891.34 : x
  2. Step 2: Convert to fraction form
    211,635.74/292,070.44 = 139,891.34/x
  3. Step 3: Cross multiply
    211,635.74x = 292,070.44 × 139,891.34
  4. Step 4: Simplify right side
    211,635.74x = 40,858,123,415.91
  5. Step 5: Solve for x
    x = 40,858,123,415.91/211,635.74
  6. Step 6: Final answer
    x = 193,058.72

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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.