Home / 211,447.50-291,770.73-115,929.06

Finding the Fourth Proportional to 211,447.50, 291,770.73 and 115,929.06

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Solution

The fourth proportional to 211,447.50, 291,770.73 and 115,929.06 is: 159,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,447.50 : 291,770.73 = 115,929.06 : x
  2. Step 2: Convert to fraction form
    211,447.50/291,770.73 = 115,929.06/x
  3. Step 3: Cross multiply
    211,447.50x = 291,770.73 × 115,929.06
  4. Step 4: Simplify right side
    211,447.50x = 33,824,706,464.41
  5. Step 5: Solve for x
    x = 33,824,706,464.41/211,447.50
  6. Step 6: Final answer
    x = 159,967.40

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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.