Finding the Fourth Proportional to 113,864.84, 157,132.68 and 62,880.74
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Solution
The fourth proportional to 113,864.84, 157,132.68 and 62,880.74 is: 86,774.98
Step by Step Solution
- Step 1: Write the proportion equation
113,864.84 : 157,132.68 = 62,880.74 : x - Step 2: Convert to fraction form
113,864.84/157,132.68 = 62,880.74/x - Step 3: Cross multiply
113,864.84x = 157,132.68 × 62,880.74 - Step 4: Simplify right side
113,864.84x = 9,880,619,196.58 - Step 5: Solve for x
x = 9,880,619,196.58/113,864.84 - Step 6: Final answer
x = 86,774.98
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1.5x scale
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.