Home / 212,734.89-293,574.78-117,239.40

Finding the Fourth Proportional to 212,734.89, 293,574.78 and 117,239.40

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Solution

The fourth proportional to 212,734.89, 293,574.78 and 117,239.40 is: 161,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,734.89 : 293,574.78 = 117,239.40 : x
  2. Step 2: Convert to fraction form
    212,734.89/293,574.78 = 117,239.40/x
  3. Step 3: Cross multiply
    212,734.89x = 293,574.78 × 117,239.40
  4. Step 4: Simplify right side
    212,734.89x = 34,418,531,062.33
  5. Step 5: Solve for x
    x = 34,418,531,062.33/212,734.89
  6. Step 6: Final answer
    x = 161,790.72

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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.