Home / 142,327.44-196,383.96-85,741.92

Finding the Fourth Proportional to 142,327.44, 196,383.96 and 85,741.92

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Solution

The fourth proportional to 142,327.44, 196,383.96 and 85,741.92 is: 118,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,327.44 : 196,383.96 = 85,741.92 : x
  2. Step 2: Convert to fraction form
    142,327.44/196,383.96 = 85,741.92/x
  3. Step 3: Cross multiply
    142,327.44x = 196,383.96 × 85,741.92
  4. Step 4: Simplify right side
    142,327.44x = 16,838,337,787.60
  5. Step 5: Solve for x
    x = 16,838,337,787.60/142,327.44
  6. Step 6: Final answer
    x = 118,307.04

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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.