Home / 103,418.56-155,090.58-44,258.32

Finding the Fourth Proportional to 103,418.56, 155,090.58 and 44,258.32

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Solution

The fourth proportional to 103,418.56, 155,090.58 and 44,258.32 is: 66,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,418.56 : 155,090.58 = 44,258.32 : x
  2. Step 2: Convert to fraction form
    103,418.56/155,090.58 = 44,258.32/x
  3. Step 3: Cross multiply
    103,418.56x = 155,090.58 × 44,258.32
  4. Step 4: Simplify right side
    103,418.56x = 6,864,048,518.63
  5. Step 5: Solve for x
    x = 6,864,048,518.63/103,418.56
  6. Step 6: Final answer
    x = 66,371.53

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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.