Home / 212,564.33-293,317.07-130,879.61

Finding the Fourth Proportional to 212,564.33, 293,317.07 and 130,879.61

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Solution

The fourth proportional to 212,564.33, 293,317.07 and 130,879.61 is: 180,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,564.33 : 293,317.07 = 130,879.61 : x
  2. Step 2: Convert to fraction form
    212,564.33/293,317.07 = 130,879.61/x
  3. Step 3: Cross multiply
    212,564.33x = 293,317.07 × 130,879.61
  4. Step 4: Simplify right side
    212,564.33x = 38,389,223,727.94
  5. Step 5: Solve for x
    x = 38,389,223,727.94/212,564.33
  6. Step 6: Final answer
    x = 180,600.50

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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.