Home / 211,612.21-292,028.42-116,127.79

Finding the Fourth Proportional to 211,612.21, 292,028.42 and 116,127.79

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Solution

The fourth proportional to 211,612.21, 292,028.42 and 116,127.79 is: 160,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,612.21 : 292,028.42 = 116,127.79 : x
  2. Step 2: Convert to fraction form
    211,612.21/292,028.42 = 116,127.79/x
  3. Step 3: Cross multiply
    211,612.21x = 292,028.42 × 116,127.79
  4. Step 4: Simplify right side
    211,612.21x = 33,912,615,031.79
  5. Step 5: Solve for x
    x = 33,912,615,031.79/211,612.21
  6. Step 6: Final answer
    x = 160,258.31

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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.