Finding the Fourth Proportional to 111,176.08, 153,421.42 and 60,875.08
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Solution
The fourth proportional to 111,176.08, 153,421.42 and 60,875.08 is: 84,006.75
Step by Step Solution
- Step 1: Write the proportion equation
111,176.08 : 153,421.42 = 60,875.08 : x - Step 2: Convert to fraction form
111,176.08/153,421.42 = 60,875.08/x - Step 3: Cross multiply
111,176.08x = 153,421.42 × 60,875.08 - Step 4: Simplify right side
111,176.08x = 9,339,541,216.21 - Step 5: Solve for x
x = 9,339,541,216.21/111,176.08 - Step 6: Final answer
x = 84,006.75
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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.