Home / 210,296.32-290,213.90-114,803.74

Finding the Fourth Proportional to 210,296.32, 290,213.90 and 114,803.74

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Solution

The fourth proportional to 210,296.32, 290,213.90 and 114,803.74 is: 158,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,296.32 : 290,213.90 = 114,803.74 : x
  2. Step 2: Convert to fraction form
    210,296.32/290,213.90 = 114,803.74/x
  3. Step 3: Cross multiply
    210,296.32x = 290,213.90 × 114,803.74
  4. Step 4: Simplify right side
    210,296.32x = 33,317,641,119.99
  5. Step 5: Solve for x
    x = 33,317,641,119.99/210,296.32
  6. Step 6: Final answer
    x = 158,431.88

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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.