Home / 212,395.27-293,071.89-121,733.77

Finding the Fourth Proportional to 212,395.27, 293,071.89 and 121,733.77

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Solution

The fourth proportional to 212,395.27, 293,071.89 and 121,733.77 is: 167,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,395.27 : 293,071.89 = 121,733.77 : x
  2. Step 2: Convert to fraction form
    212,395.27/293,071.89 = 121,733.77/x
  3. Step 3: Cross multiply
    212,395.27x = 293,071.89 × 121,733.77
  4. Step 4: Simplify right side
    212,395.27x = 35,676,746,050.73
  5. Step 5: Solve for x
    x = 35,676,746,050.73/212,395.27
  6. Step 6: Final answer
    x = 167,973.35

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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.