Home / 133,315.88-199,973.81-39,821.63

Finding the Fourth Proportional to 133,315.88, 199,973.81 and 39,821.63

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Solution

The fourth proportional to 133,315.88, 199,973.81 and 39,821.63 is: 59,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315.88 : 199,973.81 = 39,821.63 : x
  2. Step 2: Convert to fraction form
    133,315.88/199,973.81 = 39,821.63/x
  3. Step 3: Cross multiply
    133,315.88x = 199,973.81 × 39,821.63
  4. Step 4: Simplify right side
    133,315.88x = 7,963,282,171.20
  5. Step 5: Solve for x
    x = 7,963,282,171.20/133,315.88
  6. Step 6: Final answer
    x = 59,732.44

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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.