Finding the Fourth Proportional to 145,695.84, 201,159.76 and 107,460.64
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Solution
The fourth proportional to 145,695.84, 201,159.76 and 107,460.64 is: 148,369.07
Step by Step Solution
- Step 1: Write the proportion equation
145,695.84 : 201,159.76 = 107,460.64 : x - Step 2: Convert to fraction form
145,695.84/201,159.76 = 107,460.64/x - Step 3: Cross multiply
145,695.84x = 201,159.76 × 107,460.64 - Step 4: Simplify right side
145,695.84x = 21,616,756,551.85 - Step 5: Solve for x
x = 21,616,756,551.85/145,695.84 - Step 6: Final answer
x = 148,369.07
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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.