Home / 88,889.03-122,697.75-51,178.31

Finding the Fourth Proportional to 88,889.03, 122,697.75 and 51,178.31

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Solution

The fourth proportional to 88,889.03, 122,697.75 and 51,178.31 is: 70,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889.03 : 122,697.75 = 51,178.31 : x
  2. Step 2: Convert to fraction form
    88,889.03/122,697.75 = 51,178.31/x
  3. Step 3: Cross multiply
    88,889.03x = 122,697.75 × 51,178.31
  4. Step 4: Simplify right side
    88,889.03x = 6,279,463,485.80
  5. Step 5: Solve for x
    x = 6,279,463,485.80/88,889.03
  6. Step 6: Final answer
    x = 70,643.85

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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.