Home / 202,422.48-279,345.24-111,778.26

Finding the Fourth Proportional to 202,422.48, 279,345.24 and 111,778.26

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Solution

The fourth proportional to 202,422.48, 279,345.24 and 111,778.26 is: 154,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,422.48 : 279,345.24 = 111,778.26 : x
  2. Step 2: Convert to fraction form
    202,422.48/279,345.24 = 111,778.26/x
  3. Step 3: Cross multiply
    202,422.48x = 279,345.24 × 111,778.26
  4. Step 4: Simplify right side
    202,422.48x = 31,224,724,866.48
  5. Step 5: Solve for x
    x = 31,224,724,866.48/202,422.48
  6. Step 6: Final answer
    x = 154,255.22

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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.