Home / 106,627.21-147,046.26-70,782.28

Finding the Fourth Proportional to 106,627.21, 147,046.26 and 70,782.28

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Solution

The fourth proportional to 106,627.21, 147,046.26 and 70,782.28 is: 97,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,627.21 : 147,046.26 = 70,782.28 : x
  2. Step 2: Convert to fraction form
    106,627.21/147,046.26 = 70,782.28/x
  3. Step 3: Cross multiply
    106,627.21x = 147,046.26 × 70,782.28
  4. Step 4: Simplify right side
    106,627.21x = 10,408,269,548.27
  5. Step 5: Solve for x
    x = 10,408,269,548.27/106,627.21
  6. Step 6: Final answer
    x = 97,613.63

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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.