Home / 103,869.12-155,804.04-29,997.12

Finding the Fourth Proportional to 103,869.12, 155,804.04 and 29,997.12

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Solution

The fourth proportional to 103,869.12, 155,804.04 and 29,997.12 is: 44,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,869.12 : 155,804.04 = 29,997.12 : x
  2. Step 2: Convert to fraction form
    103,869.12/155,804.04 = 29,997.12/x
  3. Step 3: Cross multiply
    103,869.12x = 155,804.04 × 29,997.12
  4. Step 4: Simplify right side
    103,869.12x = 4,673,672,484.36
  5. Step 5: Solve for x
    x = 4,673,672,484.36/103,869.12
  6. Step 6: Final answer
    x = 44,995.78

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1.5x scale

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.