Home / 103,171.12-154,800.42-56,369.32

Finding the Fourth Proportional to 103,171.12, 154,800.42 and 56,369.32

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Solution

The fourth proportional to 103,171.12, 154,800.42 and 56,369.32 is: 84,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,171.12 : 154,800.42 = 56,369.32 : x
  2. Step 2: Convert to fraction form
    103,171.12/154,800.42 = 56,369.32/x
  3. Step 3: Cross multiply
    103,171.12x = 154,800.42 × 56,369.32
  4. Step 4: Simplify right side
    103,171.12x = 8,725,993,812.73
  5. Step 5: Solve for x
    x = 8,725,993,812.73/103,171.12
  6. Step 6: Final answer
    x = 84,577.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.