Home / 139,425.75-192,402.27-75,762.18

Finding the Fourth Proportional to 139,425.75, 192,402.27 and 75,762.18

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Solution

The fourth proportional to 139,425.75, 192,402.27 and 75,762.18 is: 104,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,425.75 : 192,402.27 = 75,762.18 : x
  2. Step 2: Convert to fraction form
    139,425.75/192,402.27 = 75,762.18/x
  3. Step 3: Cross multiply
    139,425.75x = 192,402.27 × 75,762.18
  4. Step 4: Simplify right side
    139,425.75x = 14,576,815,412.15
  5. Step 5: Solve for x
    x = 14,576,815,412.15/139,425.75
  6. Step 6: Final answer
    x = 104,548.95

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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.