Home / 210,219.08-290,103.20-114,727.80

Finding the Fourth Proportional to 210,219.08, 290,103.20 and 114,727.80

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Solution

The fourth proportional to 210,219.08, 290,103.20 and 114,727.80 is: 158,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,219.08 : 290,103.20 = 114,727.80 : x
  2. Step 2: Convert to fraction form
    210,219.08/290,103.20 = 114,727.80/x
  3. Step 3: Cross multiply
    210,219.08x = 290,103.20 × 114,727.80
  4. Step 4: Simplify right side
    210,219.08x = 33,282,901,908.96
  5. Step 5: Solve for x
    x = 33,282,901,908.96/210,219.08
  6. Step 6: Final answer
    x = 158,324.84

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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.