Home / 127,106.88-175,334.58-79,277.22

Finding the Fourth Proportional to 127,106.88, 175,334.58 and 79,277.22

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Solution

The fourth proportional to 127,106.88, 175,334.58 and 79,277.22 is: 109,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,106.88 : 175,334.58 = 79,277.22 : x
  2. Step 2: Convert to fraction form
    127,106.88/175,334.58 = 79,277.22/x
  3. Step 3: Cross multiply
    127,106.88x = 175,334.58 × 79,277.22
  4. Step 4: Simplify right side
    127,106.88x = 13,900,038,072.27
  5. Step 5: Solve for x
    x = 13,900,038,072.27/127,106.88
  6. Step 6: Final answer
    x = 109,357.09

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1.5x scale

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.