Finding the Fourth Proportional to 134,706.18, 185,893.05 and 74,282.13
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Solution
The fourth proportional to 134,706.18, 185,893.05 and 74,282.13 is: 102,508.52
Step by Step Solution
- Step 1: Write the proportion equation
134,706.18 : 185,893.05 = 74,282.13 : x - Step 2: Convert to fraction form
134,706.18/185,893.05 = 74,282.13/x - Step 3: Cross multiply
134,706.18x = 185,893.05 × 74,282.13 - Step 4: Simplify right side
134,706.18x = 13,808,531,706.20 - Step 5: Solve for x
x = 13,808,531,706.20/134,706.18 - Step 6: Final answer
x = 102,508.52
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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.