Home / 211,627.84-292,000.80-122,152

Finding the Fourth Proportional to 211,627.84, 292,000.80 and 122,152

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Solution

The fourth proportional to 211,627.84, 292,000.80 and 122,152 is: 168,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,627.84 : 292,000.80 = 122,152 : x
  2. Step 2: Convert to fraction form
    211,627.84/292,000.80 = 122,152/x
  3. Step 3: Cross multiply
    211,627.84x = 292,000.80 × 122,152
  4. Step 4: Simplify right side
    211,627.84x = 35,668,481,721.60
  5. Step 5: Solve for x
    x = 35,668,481,721.60/211,627.84
  6. Step 6: Final answer
    x = 168,543.43

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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.