Finding the Fourth Proportional to 143,187.36, 197,518.95 and 133,050.62
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Solution
The fourth proportional to 143,187.36, 197,518.95 and 133,050.62 is: 183,535.88
Step by Step Solution
- Step 1: Write the proportion equation
143,187.36 : 197,518.95 = 133,050.62 : x - Step 2: Convert to fraction form
143,187.36/197,518.95 = 133,050.62/x - Step 3: Cross multiply
143,187.36x = 197,518.95 × 133,050.62 - Step 4: Simplify right side
143,187.36x = 26,280,017,771.65 - Step 5: Solve for x
x = 26,280,017,771.65/143,187.36 - Step 6: Final answer
x = 183,535.88
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1.5x scale
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.