Home / 142,228.42-196,267.08-84,932.39

Finding the Fourth Proportional to 142,228.42, 196,267.08 and 84,932.39

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Solution

The fourth proportional to 142,228.42, 196,267.08 and 84,932.39 is: 117,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,228.42 : 196,267.08 = 84,932.39 : x
  2. Step 2: Convert to fraction form
    142,228.42/196,267.08 = 84,932.39/x
  3. Step 3: Cross multiply
    142,228.42x = 196,267.08 × 84,932.39
  4. Step 4: Simplify right side
    142,228.42x = 16,669,432,991.89
  5. Step 5: Solve for x
    x = 16,669,432,991.89/142,228.42
  6. Step 6: Final answer
    x = 117,201.85

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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.