Home / 211,484.34-291,849.84-115,991.72

Finding the Fourth Proportional to 211,484.34, 291,849.84 and 115,991.72

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Solution

The fourth proportional to 211,484.34, 291,849.84 and 115,991.72 is: 160,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,484.34 : 291,849.84 = 115,991.72 : x
  2. Step 2: Convert to fraction form
    211,484.34/291,849.84 = 115,991.72/x
  3. Step 3: Cross multiply
    211,484.34x = 291,849.84 × 115,991.72
  4. Step 4: Simplify right side
    211,484.34x = 33,852,164,923.32
  5. Step 5: Solve for x
    x = 33,852,164,923.32/211,484.34
  6. Step 6: Final answer
    x = 160,069.37

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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.