Home / 144,720.54-217,220.94-69,893.28

Finding the Fourth Proportional to 144,720.54, 217,220.94 and 69,893.28

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Solution

The fourth proportional to 144,720.54, 217,220.94 and 69,893.28 is: 104,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,720.54 : 217,220.94 = 69,893.28 : x
  2. Step 2: Convert to fraction form
    144,720.54/217,220.94 = 69,893.28/x
  3. Step 3: Cross multiply
    144,720.54x = 217,220.94 × 69,893.28
  4. Step 4: Simplify right side
    144,720.54x = 15,182,283,981.28
  5. Step 5: Solve for x
    x = 15,182,283,981.28/144,720.54
  6. Step 6: Final answer
    x = 104,907.60

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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.