Home / 213,005.12-293,948.08-117,511.80

Finding the Fourth Proportional to 213,005.12, 293,948.08 and 117,511.80

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Solution

The fourth proportional to 213,005.12, 293,948.08 and 117,511.80 is: 162,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,005.12 : 293,948.08 = 117,511.80 : x
  2. Step 2: Convert to fraction form
    213,005.12/293,948.08 = 117,511.80/x
  3. Step 3: Cross multiply
    213,005.12x = 293,948.08 × 117,511.80
  4. Step 4: Simplify right side
    213,005.12x = 34,542,367,987.34
  5. Step 5: Solve for x
    x = 34,542,367,987.34/213,005.12
  6. Step 6: Final answer
    x = 162,166.84

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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.