Finding the Fourth Proportional to 106,154.24, 159,056.40 and 61,656.08
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Solution
The fourth proportional to 106,154.24, 159,056.40 and 61,656.08 is: 92,382.50
Step by Step Solution
- Step 1: Write the proportion equation
106,154.24 : 159,056.40 = 61,656.08 : x - Step 2: Convert to fraction form
106,154.24/159,056.40 = 61,656.08/x - Step 3: Cross multiply
106,154.24x = 159,056.40 × 61,656.08 - Step 4: Simplify right side
106,154.24x = 9,806,794,122.91 - Step 5: Solve for x
x = 9,806,794,122.91/106,154.24 - Step 6: Final answer
x = 92,382.50
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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.