Home / 212,382.07-293,087.30-115,586.30

Finding the Fourth Proportional to 212,382.07, 293,087.30 and 115,586.30

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Solution

The fourth proportional to 212,382.07, 293,087.30 and 115,586.30 is: 159,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,382.07 : 293,087.30 = 115,586.30 : x
  2. Step 2: Convert to fraction form
    212,382.07/293,087.30 = 115,586.30/x
  3. Step 3: Cross multiply
    212,382.07x = 293,087.30 × 115,586.30
  4. Step 4: Simplify right side
    212,382.07x = 33,876,876,583.99
  5. Step 5: Solve for x
    x = 33,876,876,583.99/212,382.07
  6. Step 6: Final answer
    x = 159,509.12

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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.