Home / 97,811.37-146,712.22-57,307.83

Finding the Fourth Proportional to 97,811.37, 146,712.22 and 57,307.83

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Solution

The fourth proportional to 97,811.37, 146,712.22 and 57,307.83 is: 85,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.37 : 146,712.22 = 57,307.83 : x
  2. Step 2: Convert to fraction form
    97,811.37/146,712.22 = 57,307.83/x
  3. Step 3: Cross multiply
    97,811.37x = 146,712.22 × 57,307.83
  4. Step 4: Simplify right side
    97,811.37x = 8,407,758,085.85
  5. Step 5: Solve for x
    x = 8,407,758,085.85/97,811.37
  6. Step 6: Final answer
    x = 85,958.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.