Home / 134,853.07-202,217.02-78,709.41

Finding the Fourth Proportional to 134,853.07, 202,217.02 and 78,709.41

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Solution

The fourth proportional to 134,853.07, 202,217.02 and 78,709.41 is: 118,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,853.07 : 202,217.02 = 78,709.41 : x
  2. Step 2: Convert to fraction form
    134,853.07/202,217.02 = 78,709.41/x
  3. Step 3: Cross multiply
    134,853.07x = 202,217.02 × 78,709.41
  4. Step 4: Simplify right side
    134,853.07x = 15,916,382,336.16
  5. Step 5: Solve for x
    x = 15,916,382,336.16/134,853.07
  6. Step 6: Final answer
    x = 118,027.59

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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.