Home / 144,619.50-217,069.53-69,792.31

Finding the Fourth Proportional to 144,619.50, 217,069.53 and 69,792.31

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Solution

The fourth proportional to 144,619.50, 217,069.53 and 69,792.31 is: 104,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.50 : 217,069.53 = 69,792.31 : x
  2. Step 2: Convert to fraction form
    144,619.50/217,069.53 = 69,792.31/x
  3. Step 3: Cross multiply
    144,619.50x = 217,069.53 × 69,792.31
  4. Step 4: Simplify right side
    144,619.50x = 15,149,783,929.31
  5. Step 5: Solve for x
    x = 15,149,783,929.31/144,619.50
  6. Step 6: Final answer
    x = 104,756.16

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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.