Finding the Fourth Proportional to 113,537.63, 156,681.95 and 63,236.63
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Solution
The fourth proportional to 113,537.63, 156,681.95 and 63,236.63 is: 87,266.56
Step by Step Solution
- Step 1: Write the proportion equation
113,537.63 : 156,681.95 = 63,236.63 : x - Step 2: Convert to fraction form
113,537.63/156,681.95 = 63,236.63/x - Step 3: Cross multiply
113,537.63x = 156,681.95 × 63,236.63 - Step 4: Simplify right side
113,537.63x = 9,908,037,400.24 - Step 5: Solve for x
x = 9,908,037,400.24/113,537.63 - Step 6: Final answer
x = 87,266.56
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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.