Home / 213,136.47-294,094.80-122,474.89

Finding the Fourth Proportional to 213,136.47, 294,094.80 and 122,474.89

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Solution

The fourth proportional to 213,136.47, 294,094.80 and 122,474.89 is: 168,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.47 : 294,094.80 = 122,474.89 : x
  2. Step 2: Convert to fraction form
    213,136.47/294,094.80 = 122,474.89/x
  3. Step 3: Cross multiply
    213,136.47x = 294,094.80 × 122,474.89
  4. Step 4: Simplify right side
    213,136.47x = 36,019,228,279.57
  5. Step 5: Solve for x
    x = 36,019,228,279.57/213,136.47
  6. Step 6: Final answer
    x = 168,996.08

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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.