Finding the Fourth Proportional to 134,709.48, 185,853.96 and 86,995.08
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Solution
The fourth proportional to 134,709.48, 185,853.96 and 86,995.08 is: 120,024.07
Step by Step Solution
- Step 1: Write the proportion equation
134,709.48 : 185,853.96 = 86,995.08 : x - Step 2: Convert to fraction form
134,709.48/185,853.96 = 86,995.08/x - Step 3: Cross multiply
134,709.48x = 185,853.96 × 86,995.08 - Step 4: Simplify right side
134,709.48x = 16,168,380,118.52 - Step 5: Solve for x
x = 16,168,380,118.52/134,709.48 - Step 6: Final answer
x = 120,024.07
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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.