Finding the Fourth Proportional to 146,011.08, 201,495.58 and 78,943.08
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Solution
The fourth proportional to 146,011.08, 201,495.58 and 78,943.08 is: 108,941.61
Step by Step Solution
- Step 1: Write the proportion equation
146,011.08 : 201,495.58 = 78,943.08 : x - Step 2: Convert to fraction form
146,011.08/201,495.58 = 78,943.08/x - Step 3: Cross multiply
146,011.08x = 201,495.58 × 78,943.08 - Step 4: Simplify right side
146,011.08x = 15,906,681,691.59 - Step 5: Solve for x
x = 15,906,681,691.59/146,011.08 - Step 6: Final answer
x = 108,941.61
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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.