Home / 211,765.64-292,215.06-126,880.52

Finding the Fourth Proportional to 211,765.64, 292,215.06 and 126,880.52

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Solution

The fourth proportional to 211,765.64, 292,215.06 and 126,880.52 is: 175,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,765.64 : 292,215.06 = 126,880.52 : x
  2. Step 2: Convert to fraction form
    211,765.64/292,215.06 = 126,880.52/x
  3. Step 3: Cross multiply
    211,765.64x = 292,215.06 × 126,880.52
  4. Step 4: Simplify right side
    211,765.64x = 37,076,398,764.63
  5. Step 5: Solve for x
    x = 37,076,398,764.63/211,765.64
  6. Step 6: Final answer
    x = 175,082.22

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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.