Finding the Fourth Proportional to 124,312.14, 171,492.12 and 84,040.02
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Solution
The fourth proportional to 124,312.14, 171,492.12 and 84,040.02 is: 115,935.59
Step by Step Solution
- Step 1: Write the proportion equation
124,312.14 : 171,492.12 = 84,040.02 : x - Step 2: Convert to fraction form
124,312.14/171,492.12 = 84,040.02/x - Step 3: Cross multiply
124,312.14x = 171,492.12 × 84,040.02 - Step 4: Simplify right side
124,312.14x = 14,412,201,194.64 - Step 5: Solve for x
x = 14,412,201,194.64/124,312.14 - Step 6: Final answer
x = 115,935.59
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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.