Finding the Fourth Proportional to 124,135.32, 171,306.26 and 70,430.70
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Solution
The fourth proportional to 124,135.32, 171,306.26 and 70,430.70 is: 97,194.09
Step by Step Solution
- Step 1: Write the proportion equation
124,135.32 : 171,306.26 = 70,430.70 : x - Step 2: Convert to fraction form
124,135.32/171,306.26 = 70,430.70/x - Step 3: Cross multiply
124,135.32x = 171,306.26 × 70,430.70 - Step 4: Simplify right side
124,135.32x = 12,065,219,806.18 - Step 5: Solve for x
x = 12,065,219,806.18/124,135.32 - Step 6: Final answer
x = 97,194.09
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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.