Finding the Fourth Proportional to 119,989.08, 165,586.68 and 69,688.08
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Solution
The fourth proportional to 119,989.08, 165,586.68 and 69,688.08 is: 96,170.57
Step by Step Solution
- Step 1: Write the proportion equation
119,989.08 : 165,586.68 = 69,688.08 : x - Step 2: Convert to fraction form
119,989.08/165,586.68 = 69,688.08/x - Step 3: Cross multiply
119,989.08x = 165,586.68 × 69,688.08 - Step 4: Simplify right side
119,989.08x = 11,539,417,802.77 - Step 5: Solve for x
x = 11,539,417,802.77/119,989.08 - Step 6: Final answer
x = 96,170.57
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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.