Home / 149,328.06-223,879.44-90,149.65

Finding the Fourth Proportional to 149,328.06, 223,879.44 and 90,149.65

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Solution

The fourth proportional to 149,328.06, 223,879.44 and 90,149.65 is: 135,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328.06 : 223,879.44 = 90,149.65 : x
  2. Step 2: Convert to fraction form
    149,328.06/223,879.44 = 90,149.65/x
  3. Step 3: Cross multiply
    149,328.06x = 223,879.44 × 90,149.65
  4. Step 4: Simplify right side
    149,328.06x = 20,182,653,158.20
  5. Step 5: Solve for x
    x = 20,182,653,158.20/149,328.06
  6. Step 6: Final answer
    x = 135,156.47

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1.5x scale

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.