Home / 212,735.76-293,571.38-115,940.35

Finding the Fourth Proportional to 212,735.76, 293,571.38 and 115,940.35

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Solution

The fourth proportional to 212,735.76, 293,571.38 and 115,940.35 is: 159,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,735.76 : 293,571.38 = 115,940.35 : x
  2. Step 2: Convert to fraction form
    212,735.76/293,571.38 = 115,940.35/x
  3. Step 3: Cross multiply
    212,735.76x = 293,571.38 × 115,940.35
  4. Step 4: Simplify right side
    212,735.76x = 34,036,768,547.18
  5. Step 5: Solve for x
    x = 34,036,768,547.18/212,735.76
  6. Step 6: Final answer
    x = 159,995.52

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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.