Home / 212,394.27-293,070.51-121,732.77

Finding the Fourth Proportional to 212,394.27, 293,070.51 and 121,732.77

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Solution

The fourth proportional to 212,394.27, 293,070.51 and 121,732.77 is: 167,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,394.27 : 293,070.51 = 121,732.77 : x
  2. Step 2: Convert to fraction form
    212,394.27/293,070.51 = 121,732.77/x
  3. Step 3: Cross multiply
    212,394.27x = 293,070.51 × 121,732.77
  4. Step 4: Simplify right side
    212,394.27x = 35,676,284,987.61
  5. Step 5: Solve for x
    x = 35,676,284,987.61/212,394.27
  6. Step 6: Final answer
    x = 167,971.97

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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.