Home / 211,456.98-291,819.06-115,967.16

Finding the Fourth Proportional to 211,456.98, 291,819.06 and 115,967.16

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Solution

The fourth proportional to 211,456.98, 291,819.06 and 115,967.16 is: 160,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,456.98 : 291,819.06 = 115,967.16 : x
  2. Step 2: Convert to fraction form
    211,456.98/291,819.06 = 115,967.16/x
  3. Step 3: Cross multiply
    211,456.98x = 291,819.06 × 115,967.16
  4. Step 4: Simplify right side
    211,456.98x = 33,841,427,622.07
  5. Step 5: Solve for x
    x = 33,841,427,622.07/211,456.98
  6. Step 6: Final answer
    x = 160,039.30

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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.