Finding the Fourth Proportional to 124,181.68, 171,394.34 and 70,471.70
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Solution
The fourth proportional to 124,181.68, 171,394.34 and 70,471.70 is: 97,264.35
Step by Step Solution
- Step 1: Write the proportion equation
124,181.68 : 171,394.34 = 70,471.70 : x - Step 2: Convert to fraction form
124,181.68/171,394.34 = 70,471.70/x - Step 3: Cross multiply
124,181.68x = 171,394.34 × 70,471.70 - Step 4: Simplify right side
124,181.68x = 12,078,450,510.18 - Step 5: Solve for x
x = 12,078,450,510.18/124,181.68 - Step 6: Final answer
x = 97,264.35
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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.