Finding the Fourth Proportional to 156,075.96, 215,605.14 and 124,204.08
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Solution
The fourth proportional to 156,075.96, 215,605.14 and 124,204.08 is: 171,576.96
Step by Step Solution
- Step 1: Write the proportion equation
156,075.96 : 215,605.14 = 124,204.08 : x - Step 2: Convert to fraction form
156,075.96/215,605.14 = 124,204.08/x - Step 3: Cross multiply
156,075.96x = 215,605.14 × 124,204.08 - Step 4: Simplify right side
156,075.96x = 26,779,038,056.97 - Step 5: Solve for x
x = 26,779,038,056.97/156,075.96 - Step 6: Final answer
x = 171,576.96
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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.