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Finding the Fourth Proportional to 146,745.47, 202,509.56 and 79,677.47

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Solution

The fourth proportional to 146,745.47, 202,509.56 and 79,677.47 is: 109,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745.47 : 202,509.56 = 79,677.47 : x
  2. Step 2: Convert to fraction form
    146,745.47/202,509.56 = 79,677.47/x
  3. Step 3: Cross multiply
    146,745.47x = 202,509.56 × 79,677.47
  4. Step 4: Simplify right side
    146,745.47x = 16,135,449,391.61
  5. Step 5: Solve for x
    x = 16,135,449,391.61/146,745.47
  6. Step 6: Final answer
    x = 109,955.35

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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.