Home / 149,228.74-223,731.24-90,050.50

Finding the Fourth Proportional to 149,228.74, 223,731.24 and 90,050.50

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Solution

The fourth proportional to 149,228.74, 223,731.24 and 90,050.50 is: 135,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,228.74 : 223,731.24 = 90,050.50 : x
  2. Step 2: Convert to fraction form
    149,228.74/223,731.24 = 90,050.50/x
  3. Step 3: Cross multiply
    149,228.74x = 223,731.24 × 90,050.50
  4. Step 4: Simplify right side
    149,228.74x = 20,147,110,027.62
  5. Step 5: Solve for x
    x = 20,147,110,027.62/149,228.74
  6. Step 6: Final answer
    x = 135,008.24

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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.