Home / 126,735.04-190,144.68-42,503.50

Finding the Fourth Proportional to 126,735.04, 190,144.68 and 42,503.50

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Solution

The fourth proportional to 126,735.04, 190,144.68 and 42,503.50 is: 63,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,735.04 : 190,144.68 = 42,503.50 : x
  2. Step 2: Convert to fraction form
    126,735.04/190,144.68 = 42,503.50/x
  3. Step 3: Cross multiply
    126,735.04x = 190,144.68 × 42,503.50
  4. Step 4: Simplify right side
    126,735.04x = 8,081,814,406.38
  5. Step 5: Solve for x
    x = 8,081,814,406.38/126,735.04
  6. Step 6: Final answer
    x = 63,769.38

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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.