Home / 211,695.72-292,139.94-119,813.34

Finding the Fourth Proportional to 211,695.72, 292,139.94 and 119,813.34

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Solution

The fourth proportional to 211,695.72, 292,139.94 and 119,813.34 is: 165,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,695.72 : 292,139.94 = 119,813.34 : x
  2. Step 2: Convert to fraction form
    211,695.72/292,139.94 = 119,813.34/x
  3. Step 3: Cross multiply
    211,695.72x = 292,139.94 × 119,813.34
  4. Step 4: Simplify right side
    211,695.72x = 35,002,261,958.80
  5. Step 5: Solve for x
    x = 35,002,261,958.80/211,695.72
  6. Step 6: Final answer
    x = 165,342.32

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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.