Home / 211,622.42-292,043.40-116,128.28

Finding the Fourth Proportional to 211,622.42, 292,043.40 and 116,128.28

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Solution

The fourth proportional to 211,622.42, 292,043.40 and 116,128.28 is: 160,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,622.42 : 292,043.40 = 116,128.28 : x
  2. Step 2: Convert to fraction form
    211,622.42/292,043.40 = 116,128.28/x
  3. Step 3: Cross multiply
    211,622.42x = 292,043.40 × 116,128.28
  4. Step 4: Simplify right side
    211,622.42x = 33,914,497,727.35
  5. Step 5: Solve for x
    x = 33,914,497,727.35/211,622.42
  6. Step 6: Final answer
    x = 160,259.47

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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.