Finding the Fourth Proportional to 93,199.10, 139,660.40 and 68,454.14
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Solution
The fourth proportional to 93,199.10, 139,660.40 and 68,454.14 is: 102,579.66
Step by Step Solution
- Step 1: Write the proportion equation
93,199.10 : 139,660.40 = 68,454.14 : x - Step 2: Convert to fraction form
93,199.10/139,660.40 = 68,454.14/x - Step 3: Cross multiply
93,199.10x = 139,660.40 × 68,454.14 - Step 4: Simplify right side
93,199.10x = 9,560,331,533.48 - Step 5: Solve for x
x = 9,560,331,533.48/93,199.10 - Step 6: Final answer
x = 102,579.66
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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.