Home / 162,012.76-223,577.30-90,388.52

Finding the Fourth Proportional to 162,012.76, 223,577.30 and 90,388.52

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Solution

The fourth proportional to 162,012.76, 223,577.30 and 90,388.52 is: 124,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,012.76 : 223,577.30 = 90,388.52 : x
  2. Step 2: Convert to fraction form
    162,012.76/223,577.30 = 90,388.52/x
  3. Step 3: Cross multiply
    162,012.76x = 223,577.30 × 90,388.52
  4. Step 4: Simplify right side
    162,012.76x = 20,208,821,252.60
  5. Step 5: Solve for x
    x = 20,208,821,252.60/162,012.76
  6. Step 6: Final answer
    x = 124,735.99

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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.