Finding the Fourth Proportional to 130,056.18, 195,125.93 and 55,239.18
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Solution
The fourth proportional to 130,056.18, 195,125.93 and 55,239.18 is: 82,876.46
Step by Step Solution
- Step 1: Write the proportion equation
130,056.18 : 195,125.93 = 55,239.18 : x - Step 2: Convert to fraction form
130,056.18/195,125.93 = 55,239.18/x - Step 3: Cross multiply
130,056.18x = 195,125.93 × 55,239.18 - Step 4: Simplify right side
130,056.18x = 10,778,596,093.74 - Step 5: Solve for x
x = 10,778,596,093.74/130,056.18 - Step 6: Final answer
x = 82,876.46
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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.