Home / 88,908.36-122,708.72-51,204.48

Finding the Fourth Proportional to 88,908.36, 122,708.72 and 51,204.48

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Solution

The fourth proportional to 88,908.36, 122,708.72 and 51,204.48 is: 70,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.36 : 122,708.72 = 51,204.48 : x
  2. Step 2: Convert to fraction form
    88,908.36/122,708.72 = 51,204.48/x
  3. Step 3: Cross multiply
    88,908.36x = 122,708.72 × 51,204.48
  4. Step 4: Simplify right side
    88,908.36x = 6,283,236,199.07
  5. Step 5: Solve for x
    x = 6,283,236,199.07/88,908.36
  6. Step 6: Final answer
    x = 70,670.93

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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.