Home / 74,196.03-102,390.39-40,205.37

Finding the Fourth Proportional to 74,196.03, 102,390.39 and 40,205.37

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Solution

The fourth proportional to 74,196.03, 102,390.39 and 40,205.37 is: 55,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.03 : 102,390.39 = 40,205.37 : x
  2. Step 2: Convert to fraction form
    74,196.03/102,390.39 = 40,205.37/x
  3. Step 3: Cross multiply
    74,196.03x = 102,390.39 × 40,205.37
  4. Step 4: Simplify right side
    74,196.03x = 4,116,643,514.39
  5. Step 5: Solve for x
    x = 4,116,643,514.39/74,196.03
  6. Step 6: Final answer
    x = 55,483.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.