Finding the Fourth Proportional to 134,507.93, 185,614.96 and 77,106.10
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Solution
The fourth proportional to 134,507.93, 185,614.96 and 77,106.10 is: 106,402.99
Step by Step Solution
- Step 1: Write the proportion equation
134,507.93 : 185,614.96 = 77,106.10 : x - Step 2: Convert to fraction form
134,507.93/185,614.96 = 77,106.10/x - Step 3: Cross multiply
134,507.93x = 185,614.96 × 77,106.10 - Step 4: Simplify right side
134,507.93x = 14,312,045,503.06 - Step 5: Solve for x
x = 14,312,045,503.06/134,507.93 - Step 6: Final answer
x = 106,402.99
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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.