Home / 139,236.11-192,146.05-75,573.93

Finding the Fourth Proportional to 139,236.11, 192,146.05 and 75,573.93

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Solution

The fourth proportional to 139,236.11, 192,146.05 and 75,573.93 is: 104,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,236.11 : 192,146.05 = 75,573.93 : x
  2. Step 2: Convert to fraction form
    139,236.11/192,146.05 = 75,573.93/x
  3. Step 3: Cross multiply
    139,236.11x = 192,146.05 × 75,573.93
  4. Step 4: Simplify right side
    139,236.11x = 14,521,232,132.48
  5. Step 5: Solve for x
    x = 14,521,232,132.48/139,236.11
  6. Step 6: Final answer
    x = 104,292.14

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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.