Home / 211,346.20-291,655.38-115,852.60

Finding the Fourth Proportional to 211,346.20, 291,655.38 and 115,852.60

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Solution

The fourth proportional to 211,346.20, 291,655.38 and 115,852.60 is: 159,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,346.20 : 291,655.38 = 115,852.60 : x
  2. Step 2: Convert to fraction form
    211,346.20/291,655.38 = 115,852.60/x
  3. Step 3: Cross multiply
    211,346.20x = 291,655.38 × 115,852.60
  4. Step 4: Simplify right side
    211,346.20x = 33,789,034,076.99
  5. Step 5: Solve for x
    x = 33,789,034,076.99/211,346.20
  6. Step 6: Final answer
    x = 159,875.29

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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.