Home / 139,216.06-192,118.80-75,553.93

Finding the Fourth Proportional to 139,216.06, 192,118.80 and 75,553.93

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Solution

The fourth proportional to 139,216.06, 192,118.80 and 75,553.93 is: 104,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,216.06 : 192,118.80 = 75,553.93 : x
  2. Step 2: Convert to fraction form
    139,216.06/192,118.80 = 75,553.93/x
  3. Step 3: Cross multiply
    139,216.06x = 192,118.80 × 75,553.93
  4. Step 4: Simplify right side
    139,216.06x = 14,515,330,366.88
  5. Step 5: Solve for x
    x = 14,515,330,366.88/139,216.06
  6. Step 6: Final answer
    x = 104,264.77

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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.