Home / 212,372.90-293,080.50-115,577.65

Finding the Fourth Proportional to 212,372.90, 293,080.50 and 115,577.65

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Solution

The fourth proportional to 212,372.90, 293,080.50 and 115,577.65 is: 159,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,372.90 : 293,080.50 = 115,577.65 : x
  2. Step 2: Convert to fraction form
    212,372.90/293,080.50 = 115,577.65/x
  3. Step 3: Cross multiply
    212,372.90x = 293,080.50 × 115,577.65
  4. Step 4: Simplify right side
    212,372.90x = 33,873,554,872.94
  5. Step 5: Solve for x
    x = 33,873,554,872.94/212,372.90
  6. Step 6: Final answer
    x = 159,500.36

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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.