Finding the Fourth Proportional to 133,124.19, 199,744.62 and 69,929.65
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Solution
The fourth proportional to 133,124.19, 199,744.62 and 69,929.65 is: 104,925.12
Step by Step Solution
- Step 1: Write the proportion equation
133,124.19 : 199,744.62 = 69,929.65 : x - Step 2: Convert to fraction form
133,124.19/199,744.62 = 69,929.65/x - Step 3: Cross multiply
133,124.19x = 199,744.62 × 69,929.65 - Step 4: Simplify right side
133,124.19x = 13,968,071,365.98 - Step 5: Solve for x
x = 13,968,071,365.98/133,124.19 - Step 6: Final answer
x = 104,925.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.