Home / 210,250.72-290,143.88-114,756.56

Finding the Fourth Proportional to 210,250.72, 290,143.88 and 114,756.56

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Solution

The fourth proportional to 210,250.72, 290,143.88 and 114,756.56 is: 158,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,250.72 : 290,143.88 = 114,756.56 : x
  2. Step 2: Convert to fraction form
    210,250.72/290,143.88 = 114,756.56/x
  3. Step 3: Cross multiply
    210,250.72x = 290,143.88 × 114,756.56
  4. Step 4: Simplify right side
    210,250.72x = 33,295,913,573.85
  5. Step 5: Solve for x
    x = 33,295,913,573.85/210,250.72
  6. Step 6: Final answer
    x = 158,362.90

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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.