Finding the Fourth Proportional to 92,237.10, 138,355.68 and 71,207.84
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Solution
The fourth proportional to 92,237.10, 138,355.68 and 71,207.84 is: 106,811.78
Step by Step Solution
- Step 1: Write the proportion equation
92,237.10 : 138,355.68 = 71,207.84 : x - Step 2: Convert to fraction form
92,237.10/138,355.68 = 71,207.84/x - Step 3: Cross multiply
92,237.10x = 138,355.68 × 71,207.84 - Step 4: Simplify right side
92,237.10x = 9,852,009,124.53 - Step 5: Solve for x
x = 9,852,009,124.53/92,237.10 - Step 6: Final answer
x = 106,811.78
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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.