Finding the Fourth Proportional to 134,658.47, 185,820.35 and 74,225.99
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Solution
The fourth proportional to 134,658.47, 185,820.35 and 74,225.99 is: 102,427.27
Step by Step Solution
- Step 1: Write the proportion equation
134,658.47 : 185,820.35 = 74,225.99 : x - Step 2: Convert to fraction form
134,658.47/185,820.35 = 74,225.99/x - Step 3: Cross multiply
134,658.47x = 185,820.35 × 74,225.99 - Step 4: Simplify right side
134,658.47x = 13,792,699,534.32 - Step 5: Solve for x
x = 13,792,699,534.32/134,658.47 - Step 6: Final answer
x = 102,427.27
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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.