Finding the Fourth Proportional to 187,832.08, 259,206.80 and 102,948.96
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Solution
The fourth proportional to 187,832.08, 259,206.80 and 102,948.96 is: 142,068.76
Step by Step Solution
- Step 1: Write the proportion equation
187,832.08 : 259,206.80 = 102,948.96 : x - Step 2: Convert to fraction form
187,832.08/259,206.80 = 102,948.96/x - Step 3: Cross multiply
187,832.08x = 259,206.80 × 102,948.96 - Step 4: Simplify right side
187,832.08x = 26,685,070,484.93 - Step 5: Solve for x
x = 26,685,070,484.93/187,832.08 - Step 6: Final answer
x = 142,068.76
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1.5x scale
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.