Home / 133,030-199,577.88-39,535.36

Finding the Fourth Proportional to 133,030, 199,577.88 and 39,535.36

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Solution

The fourth proportional to 133,030, 199,577.88 and 39,535.36 is: 59,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030 : 199,577.88 = 39,535.36 : x
  2. Step 2: Convert to fraction form
    133,030/199,577.88 = 39,535.36/x
  3. Step 3: Cross multiply
    133,030x = 199,577.88 × 39,535.36
  4. Step 4: Simplify right side
    133,030x = 7,890,383,333.84
  5. Step 5: Solve for x
    x = 7,890,383,333.84/133,030
  6. Step 6: Final answer
    x = 59,312.81

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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.