Finding the Fourth Proportional to 130,202.37, 194,985.06 and 117,580.65
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Solution
The fourth proportional to 130,202.37, 194,985.06 and 117,580.65 is: 176,083.35
Step by Step Solution
- Step 1: Write the proportion equation
130,202.37 : 194,985.06 = 117,580.65 : x - Step 2: Convert to fraction form
130,202.37/194,985.06 = 117,580.65/x - Step 3: Cross multiply
130,202.37x = 194,985.06 × 117,580.65 - Step 4: Simplify right side
130,202.37x = 22,926,470,095.09 - Step 5: Solve for x
x = 22,926,470,095.09/130,202.37 - Step 6: Final answer
x = 176,083.35
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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.