Home / 139,829.58-192,967.80-76,167.24

Finding the Fourth Proportional to 139,829.58, 192,967.80 and 76,167.24

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Solution

The fourth proportional to 139,829.58, 192,967.80 and 76,167.24 is: 105,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,829.58 : 192,967.80 = 76,167.24 : x
  2. Step 2: Convert to fraction form
    139,829.58/192,967.80 = 76,167.24/x
  3. Step 3: Cross multiply
    139,829.58x = 192,967.80 × 76,167.24
  4. Step 4: Simplify right side
    139,829.58x = 14,697,824,734.87
  5. Step 5: Solve for x
    x = 14,697,824,734.87/139,829.58
  6. Step 6: Final answer
    x = 105,112.41

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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.