Finding the Fourth Proportional to 145,614.02, 201,009.35 and 97,895.05
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Solution
The fourth proportional to 145,614.02, 201,009.35 and 97,895.05 is: 135,136.85
Step by Step Solution
- Step 1: Write the proportion equation
145,614.02 : 201,009.35 = 97,895.05 : x - Step 2: Convert to fraction form
145,614.02/201,009.35 = 97,895.05/x - Step 3: Cross multiply
145,614.02x = 201,009.35 × 97,895.05 - Step 4: Simplify right side
145,614.02x = 19,677,819,560.27 - Step 5: Solve for x
x = 19,677,819,560.27/145,614.02 - Step 6: Final answer
x = 135,136.85
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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.