Home / 139,630.36-192,684.18-75,968.22

Finding the Fourth Proportional to 139,630.36, 192,684.18 and 75,968.22

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Solution

The fourth proportional to 139,630.36, 192,684.18 and 75,968.22 is: 104,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,630.36 : 192,684.18 = 75,968.22 : x
  2. Step 2: Convert to fraction form
    139,630.36/192,684.18 = 75,968.22/x
  3. Step 3: Cross multiply
    139,630.36x = 192,684.18 × 75,968.22
  4. Step 4: Simplify right side
    139,630.36x = 14,637,874,176.76
  5. Step 5: Solve for x
    x = 14,637,874,176.76/139,630.36
  6. Step 6: Final answer
    x = 104,833.03

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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.