Finding the Fourth Proportional to 124,296.60, 171,518.85 and 69,844.62
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Solution
The fourth proportional to 124,296.60, 171,518.85 and 69,844.62 is: 96,379.70
Step by Step Solution
- Step 1: Write the proportion equation
124,296.60 : 171,518.85 = 69,844.62 : x - Step 2: Convert to fraction form
124,296.60/171,518.85 = 69,844.62/x - Step 3: Cross multiply
124,296.60x = 171,518.85 × 69,844.62 - Step 4: Simplify right side
124,296.60x = 11,979,668,901.09 - Step 5: Solve for x
x = 11,979,668,901.09/124,296.60 - Step 6: Final answer
x = 96,379.70
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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.