Finding the Fourth Proportional to 124,454.24, 171,746.16 and 67,864.40
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Solution
The fourth proportional to 124,454.24, 171,746.16 and 67,864.40 is: 93,652.50
Step by Step Solution
- Step 1: Write the proportion equation
124,454.24 : 171,746.16 = 67,864.40 : x - Step 2: Convert to fraction form
124,454.24/171,746.16 = 67,864.40/x - Step 3: Cross multiply
124,454.24x = 171,746.16 × 67,864.40 - Step 4: Simplify right side
124,454.24x = 11,655,450,100.70 - Step 5: Solve for x
x = 11,655,450,100.70/124,454.24 - Step 6: Final answer
x = 93,652.50
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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.