Home / 212,845.21-293,483.51-159,039.61

Finding the Fourth Proportional to 212,845.21, 293,483.51 and 159,039.61

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Solution

The fourth proportional to 212,845.21, 293,483.51 and 159,039.61 is: 219,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,845.21 : 293,483.51 = 159,039.61 : x
  2. Step 2: Convert to fraction form
    212,845.21/293,483.51 = 159,039.61/x
  3. Step 3: Cross multiply
    212,845.21x = 293,483.51 × 159,039.61
  4. Step 4: Simplify right side
    212,845.21x = 46,675,502,971.83
  5. Step 5: Solve for x
    x = 46,675,502,971.83/212,845.21
  6. Step 6: Final answer
    x = 219,293.18

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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.