Home / 211,740.20-292,146.72-126,797.12

Finding the Fourth Proportional to 211,740.20, 292,146.72 and 126,797.12

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Solution

The fourth proportional to 211,740.20, 292,146.72 and 126,797.12 is: 174,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,740.20 : 292,146.72 = 126,797.12 : x
  2. Step 2: Convert to fraction form
    211,740.20/292,146.72 = 126,797.12/x
  3. Step 3: Cross multiply
    211,740.20x = 292,146.72 × 126,797.12
  4. Step 4: Simplify right side
    211,740.20x = 37,043,362,713.45
  5. Step 5: Solve for x
    x = 37,043,362,713.45/211,740.20
  6. Step 6: Final answer
    x = 174,947.24

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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.