Home / 212,718.90-293,546.25-115,920.66

Finding the Fourth Proportional to 212,718.90, 293,546.25 and 115,920.66

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Solution

The fourth proportional to 212,718.90, 293,546.25 and 115,920.66 is: 159,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,718.90 : 293,546.25 = 115,920.66 : x
  2. Step 2: Convert to fraction form
    212,718.90/293,546.25 = 115,920.66/x
  3. Step 3: Cross multiply
    212,718.90x = 293,546.25 × 115,920.66
  4. Step 4: Simplify right side
    212,718.90x = 34,028,075,040.53
  5. Step 5: Solve for x
    x = 34,028,075,040.53/212,718.90
  6. Step 6: Final answer
    x = 159,967.33

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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.