Home / 101,629.85-152,420.27-42,433.43

Finding the Fourth Proportional to 101,629.85, 152,420.27 and 42,433.43

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Solution

The fourth proportional to 101,629.85, 152,420.27 and 42,433.43 is: 63,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,629.85 : 152,420.27 = 42,433.43 : x
  2. Step 2: Convert to fraction form
    101,629.85/152,420.27 = 42,433.43/x
  3. Step 3: Cross multiply
    101,629.85x = 152,420.27 × 42,433.43
  4. Step 4: Simplify right side
    101,629.85x = 6,467,713,883.36
  5. Step 5: Solve for x
    x = 6,467,713,883.36/101,629.85
  6. Step 6: Final answer
    x = 63,639.91

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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.