Finding the Fourth Proportional to 155,001.06, 213,894.18 and 86,094.99
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Solution
The fourth proportional to 155,001.06, 213,894.18 and 86,094.99 is: 118,807.04
Step by Step Solution
- Step 1: Write the proportion equation
155,001.06 : 213,894.18 = 86,094.99 : x - Step 2: Convert to fraction form
155,001.06/213,894.18 = 86,094.99/x - Step 3: Cross multiply
155,001.06x = 213,894.18 × 86,094.99 - Step 4: Simplify right side
155,001.06x = 18,415,217,822.89 - Step 5: Solve for x
x = 18,415,217,822.89/155,001.06 - Step 6: Final answer
x = 118,807.04
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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.