Home / 213,180.65-294,181.59-117,685.30

Finding the Fourth Proportional to 213,180.65, 294,181.59 and 117,685.30

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Solution

The fourth proportional to 213,180.65, 294,181.59 and 117,685.30 is: 162,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,180.65 : 294,181.59 = 117,685.30 : x
  2. Step 2: Convert to fraction form
    213,180.65/294,181.59 = 117,685.30/x
  3. Step 3: Cross multiply
    213,180.65x = 294,181.59 × 117,685.30
  4. Step 4: Simplify right side
    213,180.65x = 34,620,846,614.29
  5. Step 5: Solve for x
    x = 34,620,846,614.29/213,180.65
  6. Step 6: Final answer
    x = 162,401.45

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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.