Home / 211,075.11-291,284.10-114,279.98

Finding the Fourth Proportional to 211,075.11, 291,284.10 and 114,279.98

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Solution

The fourth proportional to 211,075.11, 291,284.10 and 114,279.98 is: 157,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,075.11 : 291,284.10 = 114,279.98 : x
  2. Step 2: Convert to fraction form
    211,075.11/291,284.10 = 114,279.98/x
  3. Step 3: Cross multiply
    211,075.11x = 291,284.10 × 114,279.98
  4. Step 4: Simplify right side
    211,075.11x = 33,287,939,665.90
  5. Step 5: Solve for x
    x = 33,287,939,665.90/211,075.11
  6. Step 6: Final answer
    x = 157,706.61

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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.