Home / 133,070.40-199,605.60-39,576.15

Finding the Fourth Proportional to 133,070.40, 199,605.60 and 39,576.15

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Solution

The fourth proportional to 133,070.40, 199,605.60 and 39,576.15 is: 59,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.40 : 199,605.60 = 39,576.15 : x
  2. Step 2: Convert to fraction form
    133,070.40/199,605.60 = 39,576.15/x
  3. Step 3: Cross multiply
    133,070.40x = 199,605.60 × 39,576.15
  4. Step 4: Simplify right side
    133,070.40x = 7,899,621,166.44
  5. Step 5: Solve for x
    x = 7,899,621,166.44/133,070.40
  6. Step 6: Final answer
    x = 59,364.23

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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.