Home / 212,869.68-293,759.86-117,376.60

Finding the Fourth Proportional to 212,869.68, 293,759.86 and 117,376.60

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Solution

The fourth proportional to 212,869.68, 293,759.86 and 117,376.60 is: 161,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869.68 : 293,759.86 = 117,376.60 : x
  2. Step 2: Convert to fraction form
    212,869.68/293,759.86 = 117,376.60/x
  3. Step 3: Cross multiply
    212,869.68x = 293,759.86 × 117,376.60
  4. Step 4: Simplify right side
    212,869.68x = 34,480,533,583.28
  5. Step 5: Solve for x
    x = 34,480,533,583.28/212,869.68
  6. Step 6: Final answer
    x = 161,979.54

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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.