Home / 126,834.38-190,273.44-42,602.65

Finding the Fourth Proportional to 126,834.38, 190,273.44 and 42,602.65

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Solution

The fourth proportional to 126,834.38, 190,273.44 and 42,602.65 is: 63,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,834.38 : 190,273.44 = 42,602.65 : x
  2. Step 2: Convert to fraction form
    126,834.38/190,273.44 = 42,602.65/x
  3. Step 3: Cross multiply
    126,834.38x = 190,273.44 × 42,602.65
  4. Step 4: Simplify right side
    126,834.38x = 8,106,152,125.21
  5. Step 5: Solve for x
    x = 8,106,152,125.21/126,834.38
  6. Step 6: Final answer
    x = 63,911.32

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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.