Home / 211,026.20-291,216.13-115,533.14

Finding the Fourth Proportional to 211,026.20, 291,216.13 and 115,533.14

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Solution

The fourth proportional to 211,026.20, 291,216.13 and 115,533.14 is: 159,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,026.20 : 291,216.13 = 115,533.14 : x
  2. Step 2: Convert to fraction form
    211,026.20/291,216.13 = 115,533.14/x
  3. Step 3: Cross multiply
    211,026.20x = 291,216.13 × 115,533.14
  4. Step 4: Simplify right side
    211,026.20x = 33,645,112,172.63
  5. Step 5: Solve for x
    x = 33,645,112,172.63/211,026.20
  6. Step 6: Final answer
    x = 159,435.71

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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.