Home / 252,017.64-347,785.20-138,840.12

Finding the Fourth Proportional to 252,017.64, 347,785.20 and 138,840.12

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Solution

The fourth proportional to 252,017.64, 347,785.20 and 138,840.12 is: 191,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,017.64 : 347,785.20 = 138,840.12 : x
  2. Step 2: Convert to fraction form
    252,017.64/347,785.20 = 138,840.12/x
  3. Step 3: Cross multiply
    252,017.64x = 347,785.20 × 138,840.12
  4. Step 4: Simplify right side
    252,017.64x = 48,286,538,902.22
  5. Step 5: Solve for x
    x = 48,286,538,902.22/252,017.64
  6. Step 6: Final answer
    x = 191,599.84

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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.