Home / 126,815.04-190,208.16-33,328.08

Finding the Fourth Proportional to 126,815.04, 190,208.16 and 33,328.08

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Solution

The fourth proportional to 126,815.04, 190,208.16 and 33,328.08 is: 49,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.04 : 190,208.16 = 33,328.08 : x
  2. Step 2: Convert to fraction form
    126,815.04/190,208.16 = 33,328.08/x
  3. Step 3: Cross multiply
    126,815.04x = 190,208.16 × 33,328.08
  4. Step 4: Simplify right side
    126,815.04x = 6,339,272,773.13
  5. Step 5: Solve for x
    x = 6,339,272,773.13/126,815.04
  6. Step 6: Final answer
    x = 49,988.34

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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.