Home / 211,488.37-291,858.49-115,994.84

Finding the Fourth Proportional to 211,488.37, 291,858.49 and 115,994.84

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Solution

The fourth proportional to 211,488.37, 291,858.49 and 115,994.84 is: 160,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,488.37 : 291,858.49 = 115,994.84 : x
  2. Step 2: Convert to fraction form
    211,488.37/291,858.49 = 115,994.84/x
  3. Step 3: Cross multiply
    211,488.37x = 291,858.49 × 115,994.84
  4. Step 4: Simplify right side
    211,488.37x = 33,854,077,535.89
  5. Step 5: Solve for x
    x = 33,854,077,535.89/211,488.37
  6. Step 6: Final answer
    x = 160,075.36

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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.