Home / 133,220.33-183,835.23-75,865.50

Finding the Fourth Proportional to 133,220.33, 183,835.23 and 75,865.50

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Solution

The fourth proportional to 133,220.33, 183,835.23 and 75,865.50 is: 104,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.33 : 183,835.23 = 75,865.50 : x
  2. Step 2: Convert to fraction form
    133,220.33/183,835.23 = 75,865.50/x
  3. Step 3: Cross multiply
    133,220.33x = 183,835.23 × 75,865.50
  4. Step 4: Simplify right side
    133,220.33x = 13,946,751,641.57
  5. Step 5: Solve for x
    x = 13,946,751,641.57/133,220.33
  6. Step 6: Final answer
    x = 104,689.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.