Home / 211,619.88-292,034.64-116,128.20

Finding the Fourth Proportional to 211,619.88, 292,034.64 and 116,128.20

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Solution

The fourth proportional to 211,619.88, 292,034.64 and 116,128.20 is: 160,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,619.88 : 292,034.64 = 116,128.20 : x
  2. Step 2: Convert to fraction form
    211,619.88/292,034.64 = 116,128.20/x
  3. Step 3: Cross multiply
    211,619.88x = 292,034.64 × 116,128.20
  4. Step 4: Simplify right side
    211,619.88x = 33,913,457,080.85
  5. Step 5: Solve for x
    x = 33,913,457,080.85/211,619.88
  6. Step 6: Final answer
    x = 160,256.48

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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.