Home / 126,795.84-174,932.64-76,476.48

Finding the Fourth Proportional to 126,795.84, 174,932.64 and 76,476.48

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Solution

The fourth proportional to 126,795.84, 174,932.64 and 76,476.48 is: 105,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,795.84 : 174,932.64 = 76,476.48 : x
  2. Step 2: Convert to fraction form
    126,795.84/174,932.64 = 76,476.48/x
  3. Step 3: Cross multiply
    126,795.84x = 174,932.64 × 76,476.48
  4. Step 4: Simplify right side
    126,795.84x = 13,378,232,544.31
  5. Step 5: Solve for x
    x = 13,378,232,544.31/126,795.84
  6. Step 6: Final answer
    x = 105,510.03

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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.