Home / 213,135.51-294,125.41-117,642.18

Finding the Fourth Proportional to 213,135.51, 294,125.41 and 117,642.18

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Solution

The fourth proportional to 213,135.51, 294,125.41 and 117,642.18 is: 162,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135.51 : 294,125.41 = 117,642.18 : x
  2. Step 2: Convert to fraction form
    213,135.51/294,125.41 = 117,642.18/x
  3. Step 3: Cross multiply
    213,135.51x = 294,125.41 × 117,642.18
  4. Step 4: Simplify right side
    213,135.51x = 34,601,555,675.82
  5. Step 5: Solve for x
    x = 34,601,555,675.82/213,135.51
  6. Step 6: Final answer
    x = 162,345.33

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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.