Home / 127,419.20-175,374.24-112,212.44

Finding the Fourth Proportional to 127,419.20, 175,374.24 and 112,212.44

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Solution

The fourth proportional to 127,419.20, 175,374.24 and 112,212.44 is: 154,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,419.20 : 175,374.24 = 112,212.44 : x
  2. Step 2: Convert to fraction form
    127,419.20/175,374.24 = 112,212.44/x
  3. Step 3: Cross multiply
    127,419.20x = 175,374.24 × 112,212.44
  4. Step 4: Simplify right side
    127,419.20x = 19,679,171,383.55
  5. Step 5: Solve for x
    x = 19,679,171,383.55/127,419.20
  6. Step 6: Final answer
    x = 154,444.32

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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.