Finding the Fourth Proportional to 130,623.93, 180,094.16 and 84,602.28
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Solution
The fourth proportional to 130,623.93, 180,094.16 and 84,602.28 is: 116,643.07
Step by Step Solution
- Step 1: Write the proportion equation
130,623.93 : 180,094.16 = 84,602.28 : x - Step 2: Convert to fraction form
130,623.93/180,094.16 = 84,602.28/x - Step 3: Cross multiply
130,623.93x = 180,094.16 × 84,602.28 - Step 4: Simplify right side
130,623.93x = 15,236,376,550.68 - Step 5: Solve for x
x = 15,236,376,550.68/130,623.93 - Step 6: Final answer
x = 116,643.07
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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.