Home / 212,785.33-293,670.35-122,169.69

Finding the Fourth Proportional to 212,785.33, 293,670.35 and 122,169.69

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Solution

The fourth proportional to 212,785.33, 293,670.35 and 122,169.69 is: 168,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,785.33 : 293,670.35 = 122,169.69 : x
  2. Step 2: Convert to fraction form
    212,785.33/293,670.35 = 122,169.69/x
  3. Step 3: Cross multiply
    212,785.33x = 293,670.35 × 122,169.69
  4. Step 4: Simplify right side
    212,785.33x = 35,877,615,621.69
  5. Step 5: Solve for x
    x = 35,877,615,621.69/212,785.33
  6. Step 6: Final answer
    x = 168,609.44

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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.