Home / 211,649.56-292,079.88-116,165.20

Finding the Fourth Proportional to 211,649.56, 292,079.88 and 116,165.20

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Solution

The fourth proportional to 211,649.56, 292,079.88 and 116,165.20 is: 160,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,649.56 : 292,079.88 = 116,165.20 : x
  2. Step 2: Convert to fraction form
    211,649.56/292,079.88 = 116,165.20/x
  3. Step 3: Cross multiply
    211,649.56x = 292,079.88 × 116,165.20
  4. Step 4: Simplify right side
    211,649.56x = 33,929,517,676.18
  5. Step 5: Solve for x
    x = 33,929,517,676.18/211,649.56
  6. Step 6: Final answer
    x = 160,309.89

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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.