Finding the Fourth Proportional to 109,746.08, 164,447.40 and 84,847.49
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Solution
The fourth proportional to 109,746.08, 164,447.40 and 84,847.49 is: 127,138.47
Step by Step Solution
- Step 1: Write the proportion equation
109,746.08 : 164,447.40 = 84,847.49 : x - Step 2: Convert to fraction form
109,746.08/164,447.40 = 84,847.49/x - Step 3: Cross multiply
109,746.08x = 164,447.40 × 84,847.49 - Step 4: Simplify right side
109,746.08x = 13,952,949,127.03 - Step 5: Solve for x
x = 13,952,949,127.03/109,746.08 - Step 6: Final answer
x = 127,138.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.