Home / 126,442.84-174,494.64-69,857.86

Finding the Fourth Proportional to 126,442.84, 174,494.64 and 69,857.86

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Solution

The fourth proportional to 126,442.84, 174,494.64 and 69,857.86 is: 96,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,442.84 : 174,494.64 = 69,857.86 : x
  2. Step 2: Convert to fraction form
    126,442.84/174,494.64 = 69,857.86/x
  3. Step 3: Cross multiply
    126,442.84x = 174,494.64 × 69,857.86
  4. Step 4: Simplify right side
    126,442.84x = 12,189,822,131.87
  5. Step 5: Solve for x
    x = 12,189,822,131.87/126,442.84
  6. Step 6: Final answer
    x = 96,405.79

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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.