Home / 210,320.06-290,229.36-114,807.56

Finding the Fourth Proportional to 210,320.06, 290,229.36 and 114,807.56

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Solution

The fourth proportional to 210,320.06, 290,229.36 and 114,807.56 is: 158,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320.06 : 290,229.36 = 114,807.56 : x
  2. Step 2: Convert to fraction form
    210,320.06/290,229.36 = 114,807.56/x
  3. Step 3: Cross multiply
    210,320.06x = 290,229.36 × 114,807.56
  4. Step 4: Simplify right side
    210,320.06x = 33,320,524,661.96
  5. Step 5: Solve for x
    x = 33,320,524,661.96/210,320.06
  6. Step 6: Final answer
    x = 158,427.71

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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.