Home / 212,903.26-293,793.14-122,195.40

Finding the Fourth Proportional to 212,903.26, 293,793.14 and 122,195.40

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Solution

The fourth proportional to 212,903.26, 293,793.14 and 122,195.40 is: 168,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,903.26 : 293,793.14 = 122,195.40 : x
  2. Step 2: Convert to fraction form
    212,903.26/293,793.14 = 122,195.40/x
  3. Step 3: Cross multiply
    212,903.26x = 293,793.14 × 122,195.40
  4. Step 4: Simplify right side
    212,903.26x = 35,900,170,259.56
  5. Step 5: Solve for x
    x = 35,900,170,259.56/212,903.26
  6. Step 6: Final answer
    x = 168,621.98

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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.