Home / 139,288.02-192,218.86-75,626.34

Finding the Fourth Proportional to 139,288.02, 192,218.86 and 75,626.34

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Solution

The fourth proportional to 139,288.02, 192,218.86 and 75,626.34 is: 104,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,288.02 : 192,218.86 = 75,626.34 : x
  2. Step 2: Convert to fraction form
    139,288.02/192,218.86 = 75,626.34/x
  3. Step 3: Cross multiply
    139,288.02x = 192,218.86 × 75,626.34
  4. Step 4: Simplify right side
    139,288.02x = 14,536,808,860.77
  5. Step 5: Solve for x
    x = 14,536,808,860.77/139,288.02
  6. Step 6: Final answer
    x = 104,365.11

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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.