Home / 211,474.29-291,852.97-115,999.43

Finding the Fourth Proportional to 211,474.29, 291,852.97 and 115,999.43

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Solution

The fourth proportional to 211,474.29, 291,852.97 and 115,999.43 is: 160,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,474.29 : 291,852.97 = 115,999.43 : x
  2. Step 2: Convert to fraction form
    211,474.29/291,852.97 = 115,999.43/x
  3. Step 3: Cross multiply
    211,474.29x = 291,852.97 × 115,999.43
  4. Step 4: Simplify right side
    211,474.29x = 33,854,779,803.16
  5. Step 5: Solve for x
    x = 33,854,779,803.16/211,474.29
  6. Step 6: Final answer
    x = 160,089.34

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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.