Finding the Fourth Proportional to 124,269.76, 171,494.16 and 67,681.13
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Solution
The fourth proportional to 124,269.76, 171,494.16 and 67,681.13 is: 93,400.99
Step by Step Solution
- Step 1: Write the proportion equation
124,269.76 : 171,494.16 = 67,681.13 : x - Step 2: Convert to fraction form
124,269.76/171,494.16 = 67,681.13/x - Step 3: Cross multiply
124,269.76x = 171,494.16 × 67,681.13 - Step 4: Simplify right side
124,269.76x = 11,606,918,537.20 - Step 5: Solve for x
x = 11,606,918,537.20/124,269.76 - Step 6: Final answer
x = 93,400.99
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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.