Finding the Fourth Proportional to 130,970.96, 196,457.84 and 104,841.80
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Solution
The fourth proportional to 130,970.96, 196,457.84 and 104,841.80 is: 157,263.82
Step by Step Solution
- Step 1: Write the proportion equation
130,970.96 : 196,457.84 = 104,841.80 : x - Step 2: Convert to fraction form
130,970.96/196,457.84 = 104,841.80/x - Step 3: Cross multiply
130,970.96x = 196,457.84 × 104,841.80 - Step 4: Simplify right side
130,970.96x = 20,596,993,569.71 - Step 5: Solve for x
x = 20,596,993,569.71/130,970.96 - Step 6: Final answer
x = 157,263.82
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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.