Finding the Fourth Proportional to 130,149.54, 195,175.04 and 70,952.99
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Solution
The fourth proportional to 130,149.54, 195,175.04 and 70,952.99 is: 106,402.61
Step by Step Solution
- Step 1: Write the proportion equation
130,149.54 : 195,175.04 = 70,952.99 : x - Step 2: Convert to fraction form
130,149.54/195,175.04 = 70,952.99/x - Step 3: Cross multiply
130,149.54x = 195,175.04 × 70,952.99 - Step 4: Simplify right side
130,149.54x = 13,848,251,330.73 - Step 5: Solve for x
x = 13,848,251,330.73/130,149.54 - Step 6: Final answer
x = 106,402.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.