Finding the Fourth Proportional to 118,752.36, 163,878.06 and 65,037.42
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Solution
The fourth proportional to 118,752.36, 163,878.06 and 65,037.42 is: 89,751.53
Step by Step Solution
- Step 1: Write the proportion equation
118,752.36 : 163,878.06 = 65,037.42 : x - Step 2: Convert to fraction form
118,752.36/163,878.06 = 65,037.42/x - Step 3: Cross multiply
118,752.36x = 163,878.06 × 65,037.42 - Step 4: Simplify right side
118,752.36x = 10,658,206,217.01 - Step 5: Solve for x
x = 10,658,206,217.01/118,752.36 - Step 6: Final answer
x = 89,751.53
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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.