Home / 210,457.14-290,427.21-114,961.38

Finding the Fourth Proportional to 210,457.14, 290,427.21 and 114,961.38

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Solution

The fourth proportional to 210,457.14, 290,427.21 and 114,961.38 is: 158,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,457.14 : 290,427.21 = 114,961.38 : x
  2. Step 2: Convert to fraction form
    210,457.14/290,427.21 = 114,961.38/x
  3. Step 3: Cross multiply
    210,457.14x = 290,427.21 × 114,961.38
  4. Step 4: Simplify right side
    210,457.14x = 33,387,912,851.15
  5. Step 5: Solve for x
    x = 33,387,912,851.15/210,457.14
  6. Step 6: Final answer
    x = 158,644.71

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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.