Home / 210,189.07-290,060.91-149,864.81

Finding the Fourth Proportional to 210,189.07, 290,060.91 and 149,864.81

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Solution

The fourth proportional to 210,189.07, 290,060.91 and 149,864.81 is: 206,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,189.07 : 290,060.91 = 149,864.81 : x
  2. Step 2: Convert to fraction form
    210,189.07/290,060.91 = 149,864.81/x
  3. Step 3: Cross multiply
    210,189.07x = 290,060.91 × 149,864.81
  4. Step 4: Simplify right side
    210,189.07x = 43,469,922,175.86
  5. Step 5: Solve for x
    x = 43,469,922,175.86/210,189.07
  6. Step 6: Final answer
    x = 206,813.43

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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.