Home / 131,884.88-182,064.21-75,285.32

Finding the Fourth Proportional to 131,884.88, 182,064.21 and 75,285.32

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Solution

The fourth proportional to 131,884.88, 182,064.21 and 75,285.32 is: 103,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,884.88 : 182,064.21 = 75,285.32 : x
  2. Step 2: Convert to fraction form
    131,884.88/182,064.21 = 75,285.32/x
  3. Step 3: Cross multiply
    131,884.88x = 182,064.21 × 75,285.32
  4. Step 4: Simplify right side
    131,884.88x = 13,706,762,310.40
  5. Step 5: Solve for x
    x = 13,706,762,310.40/131,884.88
  6. Step 6: Final answer
    x = 103,929.75

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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.