Home / 103,380.32-154,971.99-33,210.38

Finding the Fourth Proportional to 103,380.32, 154,971.99 and 33,210.38

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Solution

The fourth proportional to 103,380.32, 154,971.99 and 33,210.38 is: 49,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,380.32 : 154,971.99 = 33,210.38 : x
  2. Step 2: Convert to fraction form
    103,380.32/154,971.99 = 33,210.38/x
  3. Step 3: Cross multiply
    103,380.32x = 154,971.99 × 33,210.38
  4. Step 4: Simplify right side
    103,380.32x = 5,146,678,677.26
  5. Step 5: Solve for x
    x = 5,146,678,677.26/103,380.32
  6. Step 6: Final answer
    x = 49,783.93

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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.