Home / 213,614.75-294,782.52-118,118.18

Finding the Fourth Proportional to 213,614.75, 294,782.52 and 118,118.18

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Solution

The fourth proportional to 213,614.75, 294,782.52 and 118,118.18 is: 162,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,614.75 : 294,782.52 = 118,118.18 : x
  2. Step 2: Convert to fraction form
    213,614.75/294,782.52 = 118,118.18/x
  3. Step 3: Cross multiply
    213,614.75x = 294,782.52 × 118,118.18
  4. Step 4: Simplify right side
    213,614.75x = 34,819,174,167.62
  5. Step 5: Solve for x
    x = 34,819,174,167.62/213,614.75
  6. Step 6: Final answer
    x = 162,999.86

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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.