Home / 126,904.16-190,228.07-79,552.44

Finding the Fourth Proportional to 126,904.16, 190,228.07 and 79,552.44

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Solution

The fourth proportional to 126,904.16, 190,228.07 and 79,552.44 is: 119,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.16 : 190,228.07 = 79,552.44 : x
  2. Step 2: Convert to fraction form
    126,904.16/190,228.07 = 79,552.44/x
  3. Step 3: Cross multiply
    126,904.16x = 190,228.07 × 79,552.44
  4. Step 4: Simplify right side
    126,904.16x = 15,133,107,124.99
  5. Step 5: Solve for x
    x = 15,133,107,124.99/126,904.16
  6. Step 6: Final answer
    x = 119,248.31

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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.