Home / 103,984.39-155,987.52-33,869.17

Finding the Fourth Proportional to 103,984.39, 155,987.52 and 33,869.17

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Solution

The fourth proportional to 103,984.39, 155,987.52 and 33,869.17 is: 50,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984.39 : 155,987.52 = 33,869.17 : x
  2. Step 2: Convert to fraction form
    103,984.39/155,987.52 = 33,869.17/x
  3. Step 3: Cross multiply
    103,984.39x = 155,987.52 × 33,869.17
  4. Step 4: Simplify right side
    103,984.39x = 5,283,167,832.76
  5. Step 5: Solve for x
    x = 5,283,167,832.76/103,984.39
  6. Step 6: Final answer
    x = 50,807.32

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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.