Finding the Fourth Proportional to 110,994.66, 153,143.08 and 63,246.98
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Solution
The fourth proportional to 110,994.66, 153,143.08 and 63,246.98 is: 87,263.99
Step by Step Solution
- Step 1: Write the proportion equation
110,994.66 : 153,143.08 = 63,246.98 : x - Step 2: Convert to fraction form
110,994.66/153,143.08 = 63,246.98/x - Step 3: Cross multiply
110,994.66x = 153,143.08 × 63,246.98 - Step 4: Simplify right side
110,994.66x = 9,685,837,317.90 - Step 5: Solve for x
x = 9,685,837,317.90/110,994.66 - Step 6: Final answer
x = 87,263.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.