Finding the Fourth Proportional to 157,970.48, 236,795.64 and 68,071.76
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Solution
The fourth proportional to 157,970.48, 236,795.64 and 68,071.76 is: 102,038.66
Step by Step Solution
- Step 1: Write the proportion equation
157,970.48 : 236,795.64 = 68,071.76 : x - Step 2: Convert to fraction form
157,970.48/236,795.64 = 68,071.76/x - Step 3: Cross multiply
157,970.48x = 236,795.64 × 68,071.76 - Step 4: Simplify right side
157,970.48x = 16,119,095,975.13 - Step 5: Solve for x
x = 16,119,095,975.13/157,970.48 - Step 6: Final answer
x = 102,038.66
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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.