Finding the Fourth Proportional to 103,992.86, 143,510.00 and 56,246.06
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Solution
The fourth proportional to 103,992.86, 143,510.00 and 56,246.06 is: 77,619.48
Step by Step Solution
- Step 1: Write the proportion equation
103,992.86 : 143,510.00 = 56,246.06 : x - Step 2: Convert to fraction form
103,992.86/143,510.00 = 56,246.06/x - Step 3: Cross multiply
103,992.86x = 143,510.00 × 56,246.06 - Step 4: Simplify right side
103,992.86x = 8,071,872,148.14 - Step 5: Solve for x
x = 8,071,872,148.14/103,992.86 - Step 6: Final answer
x = 77,619.48
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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.