Finding the Fourth Proportional to 124,455.08, 186,681.80 and 74,549.36
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Solution
The fourth proportional to 124,455.08, 186,681.80 and 74,549.36 is: 111,823.55
Step by Step Solution
- Step 1: Write the proportion equation
124,455.08 : 186,681.80 = 74,549.36 : x - Step 2: Convert to fraction form
124,455.08/186,681.80 = 74,549.36/x - Step 3: Cross multiply
124,455.08x = 186,681.80 × 74,549.36 - Step 4: Simplify right side
124,455.08x = 13,917,008,713.65 - Step 5: Solve for x
x = 13,917,008,713.65/124,455.08 - Step 6: Final answer
x = 111,823.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.