Home / 210,255.39-290,153.70-114,760.04

Finding the Fourth Proportional to 210,255.39, 290,153.70 and 114,760.04

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Solution

The fourth proportional to 210,255.39, 290,153.70 and 114,760.04 is: 158,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,255.39 : 290,153.70 = 114,760.04 : x
  2. Step 2: Convert to fraction form
    210,255.39/290,153.70 = 114,760.04/x
  3. Step 3: Cross multiply
    210,255.39x = 290,153.70 × 114,760.04
  4. Step 4: Simplify right side
    210,255.39x = 33,298,048,767.38
  5. Step 5: Solve for x
    x = 33,298,048,767.38/210,255.39
  6. Step 6: Final answer
    x = 158,369.54

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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.