Home / 211,089.98-291,295.41-115,595.03

Finding the Fourth Proportional to 211,089.98, 291,295.41 and 115,595.03

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Solution

The fourth proportional to 211,089.98, 291,295.41 and 115,595.03 is: 159,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,089.98 : 291,295.41 = 115,595.03 : x
  2. Step 2: Convert to fraction form
    211,089.98/291,295.41 = 115,595.03/x
  3. Step 3: Cross multiply
    211,089.98x = 291,295.41 × 115,595.03
  4. Step 4: Simplify right side
    211,089.98x = 33,672,300,201.34
  5. Step 5: Solve for x
    x = 33,672,300,201.34/211,089.98
  6. Step 6: Final answer
    x = 159,516.34

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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.