Home / 139,289.02-192,220.23-75,627.34

Finding the Fourth Proportional to 139,289.02, 192,220.23 and 75,627.34

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Solution

The fourth proportional to 139,289.02, 192,220.23 and 75,627.34 is: 104,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,289.02 : 192,220.23 = 75,627.34 : x
  2. Step 2: Convert to fraction form
    139,289.02/192,220.23 = 75,627.34/x
  3. Step 3: Cross multiply
    139,289.02x = 192,220.23 × 75,627.34
  4. Step 4: Simplify right side
    139,289.02x = 14,537,104,689.09
  5. Step 5: Solve for x
    x = 14,537,104,689.09/139,289.02
  6. Step 6: Final answer
    x = 104,366.48

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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.