Home / 137,524.07-189,782.06-77,094.54

Finding the Fourth Proportional to 137,524.07, 189,782.06 and 77,094.54

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Solution

The fourth proportional to 137,524.07, 189,782.06 and 77,094.54 is: 106,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,524.07 : 189,782.06 = 77,094.54 : x
  2. Step 2: Convert to fraction form
    137,524.07/189,782.06 = 77,094.54/x
  3. Step 3: Cross multiply
    137,524.07x = 189,782.06 × 77,094.54
  4. Step 4: Simplify right side
    137,524.07x = 14,631,160,230.48
  5. Step 5: Solve for x
    x = 14,631,160,230.48/137,524.07
  6. Step 6: Final answer
    x = 106,389.81

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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.