Home / 137,404.04-189,607.68-76,964.46

Finding the Fourth Proportional to 137,404.04, 189,607.68 and 76,964.46

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Solution

The fourth proportional to 137,404.04, 189,607.68 and 76,964.46 is: 106,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,404.04 : 189,607.68 = 76,964.46 : x
  2. Step 2: Convert to fraction form
    137,404.04/189,607.68 = 76,964.46/x
  3. Step 3: Cross multiply
    137,404.04x = 189,607.68 × 76,964.46
  4. Step 4: Simplify right side
    137,404.04x = 14,593,052,703.05
  5. Step 5: Solve for x
    x = 14,593,052,703.05/137,404.04
  6. Step 6: Final answer
    x = 106,205.42

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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.