Home / 210,197.24-290,072.20-134,745.76

Finding the Fourth Proportional to 210,197.24, 290,072.20 and 134,745.76

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Solution

The fourth proportional to 210,197.24, 290,072.20 and 134,745.76 is: 185,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,197.24 : 290,072.20 = 134,745.76 : x
  2. Step 2: Convert to fraction form
    210,197.24/290,072.20 = 134,745.76/x
  3. Step 3: Cross multiply
    210,197.24x = 290,072.20 × 134,745.76
  4. Step 4: Simplify right side
    210,197.24x = 39,085,999,043.87
  5. Step 5: Solve for x
    x = 39,085,999,043.87/210,197.24
  6. Step 6: Final answer
    x = 185,949.15

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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.