Home / 149,220.53-223,681.07-69,314.58

Finding the Fourth Proportional to 149,220.53, 223,681.07 and 69,314.58

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Solution

The fourth proportional to 149,220.53, 223,681.07 and 69,314.58 is: 103,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,220.53 : 223,681.07 = 69,314.58 : x
  2. Step 2: Convert to fraction form
    149,220.53/223,681.07 = 69,314.58/x
  3. Step 3: Cross multiply
    149,220.53x = 223,681.07 × 69,314.58
  4. Step 4: Simplify right side
    149,220.53x = 15,504,359,074.43
  5. Step 5: Solve for x
    x = 15,504,359,074.43/149,220.53
  6. Step 6: Final answer
    x = 103,902.32

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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.