Finding the Fourth Proportional to 106,677.55, 147,209.57 and 58,921.66
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Solution
The fourth proportional to 106,677.55, 147,209.57 and 58,921.66 is: 81,308.88
Step by Step Solution
- Step 1: Write the proportion equation
106,677.55 : 147,209.57 = 58,921.66 : x - Step 2: Convert to fraction form
106,677.55/147,209.57 = 58,921.66/x - Step 3: Cross multiply
106,677.55x = 147,209.57 × 58,921.66 - Step 4: Simplify right side
106,677.55x = 8,673,831,496.24 - Step 5: Solve for x
x = 8,673,831,496.24/106,677.55 - Step 6: Final answer
x = 81,308.88
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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.