Home / 212,716.38-293,560.16-122,071.61

Finding the Fourth Proportional to 212,716.38, 293,560.16 and 122,071.61

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Solution

The fourth proportional to 212,716.38, 293,560.16 and 122,071.61 is: 168,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,716.38 : 293,560.16 = 122,071.61 : x
  2. Step 2: Convert to fraction form
    212,716.38/293,560.16 = 122,071.61/x
  3. Step 3: Cross multiply
    212,716.38x = 293,560.16 × 122,071.61
  4. Step 4: Simplify right side
    212,716.38x = 35,835,361,363.06
  5. Step 5: Solve for x
    x = 35,835,361,363.06/212,716.38
  6. Step 6: Final answer
    x = 168,465.45

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1.5x scale

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.