Home / 213,517.45-294,641.41-118,018.45

Finding the Fourth Proportional to 213,517.45, 294,641.41 and 118,018.45

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Solution

The fourth proportional to 213,517.45, 294,641.41 and 118,018.45 is: 162,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.45 : 294,641.41 = 118,018.45 : x
  2. Step 2: Convert to fraction form
    213,517.45/294,641.41 = 118,018.45/x
  3. Step 3: Cross multiply
    213,517.45x = 294,641.41 × 118,018.45
  4. Step 4: Simplify right side
    213,517.45x = 34,773,122,514.01
  5. Step 5: Solve for x
    x = 34,773,122,514.01/213,517.45
  6. Step 6: Final answer
    x = 162,858.46

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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.