Finding the Fourth Proportional to 122,117.10, 183,201.97 and 37,875.59
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Solution
The fourth proportional to 122,117.10, 183,201.97 and 37,875.59 is: 56,821.55
Step by Step Solution
- Step 1: Write the proportion equation
122,117.10 : 183,201.97 = 37,875.59 : x - Step 2: Convert to fraction form
122,117.10/183,201.97 = 37,875.59/x - Step 3: Cross multiply
122,117.10x = 183,201.97 × 37,875.59 - Step 4: Simplify right side
122,117.10x = 6,938,882,702.91 - Step 5: Solve for x
x = 6,938,882,702.91/122,117.10 - Step 6: Final answer
x = 56,821.55
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1.5x scale
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.