Finding the Fourth Proportional to 113,875.65, 157,149.21 and 62,886.96
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Solution
The fourth proportional to 113,875.65, 157,149.21 and 62,886.96 is: 86,784.45
Step by Step Solution
- Step 1: Write the proportion equation
113,875.65 : 157,149.21 = 62,886.96 : x - Step 2: Convert to fraction form
113,875.65/157,149.21 = 62,886.96/x - Step 3: Cross multiply
113,875.65x = 157,149.21 × 62,886.96 - Step 4: Simplify right side
113,875.65x = 9,882,636,083.30 - Step 5: Solve for x
x = 9,882,636,083.30/113,875.65 - Step 6: Final answer
x = 86,784.45
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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.