Finding the Fourth Proportional to 110,690.16, 152,746.20 and 62,955.12
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Solution
The fourth proportional to 110,690.16, 152,746.20 and 62,955.12 is: 86,874.53
Step by Step Solution
- Step 1: Write the proportion equation
110,690.16 : 152,746.20 = 62,955.12 : x - Step 2: Convert to fraction form
110,690.16/152,746.20 = 62,955.12/x - Step 3: Cross multiply
110,690.16x = 152,746.20 × 62,955.12 - Step 4: Simplify right side
110,690.16x = 9,616,155,350.54 - Step 5: Solve for x
x = 9,616,155,350.54/110,690.16 - Step 6: Final answer
x = 86,874.53
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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.