Home / 162,013.86-223,573.91-88,423.47

Finding the Fourth Proportional to 162,013.86, 223,573.91 and 88,423.47

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Solution

The fourth proportional to 162,013.86, 223,573.91 and 88,423.47 is: 122,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,013.86 : 223,573.91 = 88,423.47 : x
  2. Step 2: Convert to fraction form
    162,013.86/223,573.91 = 88,423.47/x
  3. Step 3: Cross multiply
    162,013.86x = 223,573.91 × 88,423.47
  4. Step 4: Simplify right side
    162,013.86x = 19,769,180,481.55
  5. Step 5: Solve for x
    x = 19,769,180,481.55/162,013.86
  6. Step 6: Final answer
    x = 122,021.54

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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.