Home / 212,924.64-293,830.80-117,429.60

Finding the Fourth Proportional to 212,924.64, 293,830.80 and 117,429.60

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Solution

The fourth proportional to 212,924.64, 293,830.80 and 117,429.60 is: 162,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,924.64 : 293,830.80 = 117,429.60 : x
  2. Step 2: Convert to fraction form
    212,924.64/293,830.80 = 117,429.60/x
  3. Step 3: Cross multiply
    212,924.64x = 293,830.80 × 117,429.60
  4. Step 4: Simplify right side
    212,924.64x = 34,504,433,311.68
  5. Step 5: Solve for x
    x = 34,504,433,311.68/212,924.64
  6. Step 6: Final answer
    x = 162,049.98

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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.