Home / 149,252.80-223,879.20-49,428.40

Finding the Fourth Proportional to 149,252.80, 223,879.20 and 49,428.40

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Solution

The fourth proportional to 149,252.80, 223,879.20 and 49,428.40 is: 74,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,252.80 : 223,879.20 = 49,428.40 : x
  2. Step 2: Convert to fraction form
    149,252.80/223,879.20 = 49,428.40/x
  3. Step 3: Cross multiply
    149,252.80x = 223,879.20 × 49,428.40
  4. Step 4: Simplify right side
    149,252.80x = 11,065,990,649.28
  5. Step 5: Solve for x
    x = 11,065,990,649.28/149,252.80
  6. Step 6: Final answer
    x = 74,142.60

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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.