Finding the Fourth Proportional to 106,032.08, 146,169.84 and 74,101.76
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Solution
The fourth proportional to 106,032.08, 146,169.84 and 74,101.76 is: 102,152.50
Step by Step Solution
- Step 1: Write the proportion equation
106,032.08 : 146,169.84 = 74,101.76 : x - Step 2: Convert to fraction form
106,032.08/146,169.84 = 74,101.76/x - Step 3: Cross multiply
106,032.08x = 146,169.84 × 74,101.76 - Step 4: Simplify right side
106,032.08x = 10,831,442,402.92 - Step 5: Solve for x
x = 10,831,442,402.92/106,032.08 - Step 6: Final answer
x = 102,152.50
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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.