Finding the Fourth Proportional to 124,702.68, 187,170.64 and 61,594.06
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Solution
The fourth proportional to 124,702.68, 187,170.64 and 61,594.06 is: 92,448.69
Step by Step Solution
- Step 1: Write the proportion equation
124,702.68 : 187,170.64 = 61,594.06 : x - Step 2: Convert to fraction form
124,702.68/187,170.64 = 61,594.06/x - Step 3: Cross multiply
124,702.68x = 187,170.64 × 61,594.06 - Step 4: Simplify right side
124,702.68x = 11,528,599,630.40 - Step 5: Solve for x
x = 11,528,599,630.40/124,702.68 - Step 6: Final answer
x = 92,448.69
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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.