Finding the Fourth Proportional to 124,368.18, 171,628.67 and 70,656.14
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Solution
The fourth proportional to 124,368.18, 171,628.67 and 70,656.14 is: 97,505.81
Step by Step Solution
- Step 1: Write the proportion equation
124,368.18 : 171,628.67 = 70,656.14 : x - Step 2: Convert to fraction form
124,368.18/171,628.67 = 70,656.14/x - Step 3: Cross multiply
124,368.18x = 171,628.67 × 70,656.14 - Step 4: Simplify right side
124,368.18x = 12,126,620,140.05 - Step 5: Solve for x
x = 12,126,620,140.05/124,368.18 - Step 6: Final answer
x = 97,505.81
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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.