Home / 212,416.61-293,100.62-121,755.89

Finding the Fourth Proportional to 212,416.61, 293,100.62 and 121,755.89

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Solution

The fourth proportional to 212,416.61, 293,100.62 and 121,755.89 is: 168,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,416.61 : 293,100.62 = 121,755.89 : x
  2. Step 2: Convert to fraction form
    212,416.61/293,100.62 = 121,755.89/x
  3. Step 3: Cross multiply
    212,416.61x = 293,100.62 × 121,755.89
  4. Step 4: Simplify right side
    212,416.61x = 35,686,724,773.37
  5. Step 5: Solve for x
    x = 35,686,724,773.37/212,416.61
  6. Step 6: Final answer
    x = 168,003.46

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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.