Finding the Fourth Proportional to 118,560.09, 163,567.11 and 73,159.19
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Solution
The fourth proportional to 118,560.09, 163,567.11 and 73,159.19 is: 100,931.41
Step by Step Solution
- Step 1: Write the proportion equation
118,560.09 : 163,567.11 = 73,159.19 : x - Step 2: Convert to fraction form
118,560.09/163,567.11 = 73,159.19/x - Step 3: Cross multiply
118,560.09x = 163,567.11 × 73,159.19 - Step 4: Simplify right side
118,560.09x = 11,966,437,278.24 - Step 5: Solve for x
x = 11,966,437,278.24/118,560.09 - Step 6: Final answer
x = 100,931.41
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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.