Finding the Fourth Proportional to 117,457.68, 162,169.66 and 69,726.36
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Solution
The fourth proportional to 117,457.68, 162,169.66 and 69,726.36 is: 96,268.72
Step by Step Solution
- Step 1: Write the proportion equation
117,457.68 : 162,169.66 = 69,726.36 : x - Step 2: Convert to fraction form
117,457.68/162,169.66 = 69,726.36/x - Step 3: Cross multiply
117,457.68x = 162,169.66 × 69,726.36 - Step 4: Simplify right side
117,457.68x = 11,307,500,094.24 - Step 5: Solve for x
x = 11,307,500,094.24/117,457.68 - Step 6: Final answer
x = 96,268.72
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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.