Finding the Fourth Proportional to 106,778.05, 147,346.29 and 59,027.63
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Solution
The fourth proportional to 106,778.05, 147,346.29 and 59,027.63 is: 81,454.02
Step by Step Solution
- Step 1: Write the proportion equation
106,778.05 : 147,346.29 = 59,027.63 : x - Step 2: Convert to fraction form
106,778.05/147,346.29 = 59,027.63/x - Step 3: Cross multiply
106,778.05x = 147,346.29 × 59,027.63 - Step 4: Simplify right side
106,778.05x = 8,697,501,551.26 - Step 5: Solve for x
x = 8,697,501,551.26/106,778.05 - Step 6: Final answer
x = 81,454.02
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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.