Home / 149,280-223,921.74-63,879.30

Finding the Fourth Proportional to 149,280, 223,921.74 and 63,879.30

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Solution

The fourth proportional to 149,280, 223,921.74 and 63,879.30 is: 95,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,280 : 223,921.74 = 63,879.30 : x
  2. Step 2: Convert to fraction form
    149,280/223,921.74 = 63,879.30/x
  3. Step 3: Cross multiply
    149,280x = 223,921.74 × 63,879.30
  4. Step 4: Simplify right side
    149,280x = 14,303,964,005.98
  5. Step 5: Solve for x
    x = 14,303,964,005.98/149,280
  6. Step 6: Final answer
    x = 95,819.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.