Finding the Fourth Proportional to 110,966.14, 153,125.40 and 63,210.70
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Solution
The fourth proportional to 110,966.14, 153,125.40 and 63,210.70 is: 87,226.28
Step by Step Solution
- Step 1: Write the proportion equation
110,966.14 : 153,125.40 = 63,210.70 : x - Step 2: Convert to fraction form
110,966.14/153,125.40 = 63,210.70/x - Step 3: Cross multiply
110,966.14x = 153,125.40 × 63,210.70 - Step 4: Simplify right side
110,966.14x = 9,679,163,721.78 - Step 5: Solve for x
x = 9,679,163,721.78/110,966.14 - Step 6: Final answer
x = 87,226.28
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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.