Home / 103,040.10-154,232.10-73,515.60

Finding the Fourth Proportional to 103,040.10, 154,232.10 and 73,515.60

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Solution

The fourth proportional to 103,040.10, 154,232.10 and 73,515.60 is: 110,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,040.10 : 154,232.10 = 73,515.60 : x
  2. Step 2: Convert to fraction form
    103,040.10/154,232.10 = 73,515.60/x
  3. Step 3: Cross multiply
    103,040.10x = 154,232.10 × 73,515.60
  4. Step 4: Simplify right side
    103,040.10x = 11,338,465,370.76
  5. Step 5: Solve for x
    x = 11,338,465,370.76/103,040.10
  6. Step 6: Final answer
    x = 110,039.35

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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.