Finding the Fourth Proportional to 135,742.95, 187,153.07 and 97,027.11
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Solution
The fourth proportional to 135,742.95, 187,153.07 and 97,027.11 is: 133,774.32
Step by Step Solution
- Step 1: Write the proportion equation
135,742.95 : 187,153.07 = 97,027.11 : x - Step 2: Convert to fraction form
135,742.95/187,153.07 = 97,027.11/x - Step 3: Cross multiply
135,742.95x = 187,153.07 × 97,027.11 - Step 4: Simplify right side
135,742.95x = 18,158,921,024.59 - Step 5: Solve for x
x = 18,158,921,024.59/135,742.95 - Step 6: Final answer
x = 133,774.32
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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.