Finding the Fourth Proportional to 130,512.47, 195,569.42 and 97,070.81
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Solution
The fourth proportional to 130,512.47, 195,569.42 and 97,070.81 is: 145,457.99
Step by Step Solution
- Step 1: Write the proportion equation
130,512.47 : 195,569.42 = 97,070.81 : x - Step 2: Convert to fraction form
130,512.47/195,569.42 = 97,070.81/x - Step 3: Cross multiply
130,512.47x = 195,569.42 × 97,070.81 - Step 4: Simplify right side
130,512.47x = 18,984,080,547.43 - Step 5: Solve for x
x = 18,984,080,547.43/130,512.47 - Step 6: Final answer
x = 145,457.99
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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.