Finding the Fourth Proportional to 145,904.68, 201,363.96 and 85,526.07
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Solution
The fourth proportional to 145,904.68, 201,363.96 and 85,526.07 is: 118,035.06
Step by Step Solution
- Step 1: Write the proportion equation
145,904.68 : 201,363.96 = 85,526.07 : x - Step 2: Convert to fraction form
145,904.68/201,363.96 = 85,526.07/x - Step 3: Cross multiply
145,904.68x = 201,363.96 × 85,526.07 - Step 4: Simplify right side
145,904.68x = 17,221,868,138.44 - Step 5: Solve for x
x = 17,221,868,138.44/145,904.68 - Step 6: Final answer
x = 118,035.06
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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.