Finding the Fourth Proportional to 96,812.66, 144,699.94 and 87,303.26
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Solution
The fourth proportional to 96,812.66, 144,699.94 and 87,303.26 is: 130,486.82
Step by Step Solution
- Step 1: Write the proportion equation
96,812.66 : 144,699.94 = 87,303.26 : x - Step 2: Convert to fraction form
96,812.66/144,699.94 = 87,303.26/x - Step 3: Cross multiply
96,812.66x = 144,699.94 × 87,303.26 - Step 4: Simplify right side
96,812.66x = 12,632,776,483.80 - Step 5: Solve for x
x = 12,632,776,483.80/96,812.66 - Step 6: Final answer
x = 130,486.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.