Home / 134,939.10-202,235.85-103,619.10

Finding the Fourth Proportional to 134,939.10, 202,235.85 and 103,619.10

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Solution

The fourth proportional to 134,939.10, 202,235.85 and 103,619.10 is: 155,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939.10 : 202,235.85 = 103,619.10 : x
  2. Step 2: Convert to fraction form
    134,939.10/202,235.85 = 103,619.10/x
  3. Step 3: Cross multiply
    134,939.10x = 202,235.85 × 103,619.10
  4. Step 4: Simplify right side
    134,939.10x = 20,955,496,764.74
  5. Step 5: Solve for x
    x = 20,955,496,764.74/134,939.10
  6. Step 6: Final answer
    x = 155,295.96

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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.