Home / 104,765.44-144,576.28-57,019.12

Finding the Fourth Proportional to 104,765.44, 144,576.28 and 57,019.12

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Solution

The fourth proportional to 104,765.44, 144,576.28 and 57,019.12 is: 78,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,765.44 : 144,576.28 = 57,019.12 : x
  2. Step 2: Convert to fraction form
    104,765.44/144,576.28 = 57,019.12/x
  3. Step 3: Cross multiply
    104,765.44x = 144,576.28 × 57,019.12
  4. Step 4: Simplify right side
    104,765.44x = 8,243,612,258.47
  5. Step 5: Solve for x
    x = 8,243,612,258.47/104,765.44
  6. Step 6: Final answer
    x = 78,686.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.