Home / 212,394.77-293,071.20-121,733.27

Finding the Fourth Proportional to 212,394.77, 293,071.20 and 121,733.27

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Solution

The fourth proportional to 212,394.77, 293,071.20 and 121,733.27 is: 167,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,394.77 : 293,071.20 = 121,733.27 : x
  2. Step 2: Convert to fraction form
    212,394.77/293,071.20 = 121,733.27/x
  3. Step 3: Cross multiply
    212,394.77x = 293,071.20 × 121,733.27
  4. Step 4: Simplify right side
    212,394.77x = 35,676,515,518.82
  5. Step 5: Solve for x
    x = 35,676,515,518.82/212,394.77
  6. Step 6: Final answer
    x = 167,972.66

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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.