Finding the Fourth Proportional to 159,090.41, 219,545.63 and 93,682.07
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Solution
The fourth proportional to 159,090.41, 219,545.63 and 93,682.07 is: 129,281.77
Step by Step Solution
- Step 1: Write the proportion equation
159,090.41 : 219,545.63 = 93,682.07 : x - Step 2: Convert to fraction form
159,090.41/219,545.63 = 93,682.07/x - Step 3: Cross multiply
159,090.41x = 219,545.63 × 93,682.07 - Step 4: Simplify right side
159,090.41x = 20,567,488,609.44 - Step 5: Solve for x
x = 20,567,488,609.44/159,090.41 - Step 6: Final answer
x = 129,281.77
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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.