Home / 211,063.96-291,274.86-115,579.72

Finding the Fourth Proportional to 211,063.96, 291,274.86 and 115,579.72

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Solution

The fourth proportional to 211,063.96, 291,274.86 and 115,579.72 is: 159,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,063.96 : 291,274.86 = 115,579.72 : x
  2. Step 2: Convert to fraction form
    211,063.96/291,274.86 = 115,579.72/x
  3. Step 3: Cross multiply
    211,063.96x = 291,274.86 × 115,579.72
  4. Step 4: Simplify right side
    211,063.96x = 33,665,466,761.84
  5. Step 5: Solve for x
    x = 33,665,466,761.84/211,063.96
  6. Step 6: Final answer
    x = 159,503.63

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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.