Finding the Fourth Proportional to 105,853.03, 146,070.58 and 58,106.07
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Solution
The fourth proportional to 105,853.03, 146,070.58 and 58,106.07 is: 80,182.75
Step by Step Solution
- Step 1: Write the proportion equation
105,853.03 : 146,070.58 = 58,106.07 : x - Step 2: Convert to fraction form
105,853.03/146,070.58 = 58,106.07/x - Step 3: Cross multiply
105,853.03x = 146,070.58 × 58,106.07 - Step 4: Simplify right side
105,853.03x = 8,487,587,346.42 - Step 5: Solve for x
x = 8,487,587,346.42/105,853.03 - Step 6: Final answer
x = 80,182.75
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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.