Home / 210,960.48-291,067.70-120,283.32

Finding the Fourth Proportional to 210,960.48, 291,067.70 and 120,283.32

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Solution

The fourth proportional to 210,960.48, 291,067.70 and 120,283.32 is: 165,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,960.48 : 291,067.70 = 120,283.32 : x
  2. Step 2: Convert to fraction form
    210,960.48/291,067.70 = 120,283.32/x
  3. Step 3: Cross multiply
    210,960.48x = 291,067.70 × 120,283.32
  4. Step 4: Simplify right side
    210,960.48x = 35,010,589,300.76
  5. Step 5: Solve for x
    x = 35,010,589,300.76/210,960.48
  6. Step 6: Final answer
    x = 165,958.05

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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.