Home / 126,865.24-190,314.23-42,589.19

Finding the Fourth Proportional to 126,865.24, 190,314.23 and 42,589.19

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Solution

The fourth proportional to 126,865.24, 190,314.23 and 42,589.19 is: 63,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.24 : 190,314.23 = 42,589.19 : x
  2. Step 2: Convert to fraction form
    126,865.24/190,314.23 = 42,589.19/x
  3. Step 3: Cross multiply
    126,865.24x = 190,314.23 × 42,589.19
  4. Step 4: Simplify right side
    126,865.24x = 8,105,329,164.01
  5. Step 5: Solve for x
    x = 8,105,329,164.01/126,865.24
  6. Step 6: Final answer
    x = 63,889.28

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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.