Finding the Fourth Proportional to 124,897.34, 172,354.06 and 71,199.65
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Solution
The fourth proportional to 124,897.34, 172,354.06 and 71,199.65 is: 98,253.09
Step by Step Solution
- Step 1: Write the proportion equation
124,897.34 : 172,354.06 = 71,199.65 : x - Step 2: Convert to fraction form
124,897.34/172,354.06 = 71,199.65/x - Step 3: Cross multiply
124,897.34x = 172,354.06 × 71,199.65 - Step 4: Simplify right side
124,897.34x = 12,271,548,748.08 - Step 5: Solve for x
x = 12,271,548,748.08/124,897.34 - Step 6: Final answer
x = 98,253.09
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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.