Home / 210,961.72-291,127.52-115,474.46

Finding the Fourth Proportional to 210,961.72, 291,127.52 and 115,474.46

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Solution

The fourth proportional to 210,961.72, 291,127.52 and 115,474.46 is: 159,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,961.72 : 291,127.52 = 115,474.46 : x
  2. Step 2: Convert to fraction form
    210,961.72/291,127.52 = 115,474.46/x
  3. Step 3: Cross multiply
    210,961.72x = 291,127.52 × 115,474.46
  4. Step 4: Simplify right side
    210,961.72x = 33,617,794,179.64
  5. Step 5: Solve for x
    x = 33,617,794,179.64/210,961.72
  6. Step 6: Final answer
    x = 159,354.95

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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.