Finding the Fourth Proportional to 135,702.66, 187,247.24 and 75,263.70
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Solution
The fourth proportional to 135,702.66, 187,247.24 and 75,263.70 is: 103,851.46
Step by Step Solution
- Step 1: Write the proportion equation
135,702.66 : 187,247.24 = 75,263.70 : x - Step 2: Convert to fraction form
135,702.66/187,247.24 = 75,263.70/x - Step 3: Cross multiply
135,702.66x = 187,247.24 × 75,263.70 - Step 4: Simplify right side
135,702.66x = 14,092,918,784.63 - Step 5: Solve for x
x = 14,092,918,784.63/135,702.66 - Step 6: Final answer
x = 103,851.46
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1.5x scale
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.