Home / 145,350.24-200,638.13-84,940.51

Finding the Fourth Proportional to 145,350.24, 200,638.13 and 84,940.51

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Solution

The fourth proportional to 145,350.24, 200,638.13 and 84,940.51 is: 117,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,350.24 : 200,638.13 = 84,940.51 : x
  2. Step 2: Convert to fraction form
    145,350.24/200,638.13 = 84,940.51/x
  3. Step 3: Cross multiply
    145,350.24x = 200,638.13 × 84,940.51
  4. Step 4: Simplify right side
    145,350.24x = 17,042,305,087.65
  5. Step 5: Solve for x
    x = 17,042,305,087.65/145,350.24
  6. Step 6: Final answer
    x = 117,249.93

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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.