Finding the Fourth Proportional to 118,746.09, 178,130.84 and 34,506.99
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Solution
The fourth proportional to 118,746.09, 178,130.84 and 34,506.99 is: 51,763.88
Step by Step Solution
- Step 1: Write the proportion equation
118,746.09 : 178,130.84 = 34,506.99 : x - Step 2: Convert to fraction form
118,746.09/178,130.84 = 34,506.99/x - Step 3: Cross multiply
118,746.09x = 178,130.84 × 34,506.99 - Step 4: Simplify right side
118,746.09x = 6,146,758,942.04 - Step 5: Solve for x
x = 6,146,758,942.04/118,746.09 - Step 6: Final answer
x = 51,763.88
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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.