Finding the Fourth Proportional to 135,788.16, 187,570.32 and 104,350.08
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Solution
The fourth proportional to 135,788.16, 187,570.32 and 104,350.08 is: 144,143.48
Step by Step Solution
- Step 1: Write the proportion equation
135,788.16 : 187,570.32 = 104,350.08 : x - Step 2: Convert to fraction form
135,788.16/187,570.32 = 104,350.08/x - Step 3: Cross multiply
135,788.16x = 187,570.32 × 104,350.08 - Step 4: Simplify right side
135,788.16x = 19,572,977,897.63 - Step 5: Solve for x
x = 19,572,977,897.63/135,788.16 - Step 6: Final answer
x = 144,143.48
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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.