Finding the Fourth Proportional to 127,730.76, 176,272.14 and 70,373.76
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Solution
The fourth proportional to 127,730.76, 176,272.14 and 70,373.76 is: 97,117.82
Step by Step Solution
- Step 1: Write the proportion equation
127,730.76 : 176,272.14 = 70,373.76 : x - Step 2: Convert to fraction form
127,730.76/176,272.14 = 70,373.76/x - Step 3: Cross multiply
127,730.76x = 176,272.14 × 70,373.76 - Step 4: Simplify right side
127,730.76x = 12,404,933,275.05 - Step 5: Solve for x
x = 12,404,933,275.05/127,730.76 - Step 6: Final answer
x = 97,117.82
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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.