Home / 128,734.26-193,114.74-35,240

Finding the Fourth Proportional to 128,734.26, 193,114.74 and 35,240

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Solution

The fourth proportional to 128,734.26, 193,114.74 and 35,240 is: 52,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,734.26 : 193,114.74 = 35,240 : x
  2. Step 2: Convert to fraction form
    128,734.26/193,114.74 = 35,240/x
  3. Step 3: Cross multiply
    128,734.26x = 193,114.74 × 35,240
  4. Step 4: Simplify right side
    128,734.26x = 6,805,363,437.60
  5. Step 5: Solve for x
    x = 6,805,363,437.60/128,734.26
  6. Step 6: Final answer
    x = 52,863.65

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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.