Home / 139,200.46-192,096.63-75,538.26

Finding the Fourth Proportional to 139,200.46, 192,096.63 and 75,538.26

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Solution

The fourth proportional to 139,200.46, 192,096.63 and 75,538.26 is: 104,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,200.46 : 192,096.63 = 75,538.26 : x
  2. Step 2: Convert to fraction form
    139,200.46/192,096.63 = 75,538.26/x
  3. Step 3: Cross multiply
    139,200.46x = 192,096.63 × 75,538.26
  4. Step 4: Simplify right side
    139,200.46x = 14,510,645,182.06
  5. Step 5: Solve for x
    x = 14,510,645,182.06/139,200.46
  6. Step 6: Final answer
    x = 104,242.80

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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.