Finding the Fourth Proportional to 122,765.19, 168,681.71 and 97,570.95
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Solution
The fourth proportional to 122,765.19, 168,681.71 and 97,570.95 is: 134,064.34
Step by Step Solution
- Step 1: Write the proportion equation
122,765.19 : 168,681.71 = 97,570.95 : x - Step 2: Convert to fraction form
122,765.19/168,681.71 = 97,570.95/x - Step 3: Cross multiply
122,765.19x = 168,681.71 × 97,570.95 - Step 4: Simplify right side
122,765.19x = 16,458,434,204.47 - Step 5: Solve for x
x = 16,458,434,204.47/122,765.19 - Step 6: Final answer
x = 134,064.34
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.