Finding the Fourth Proportional to 106,547.91, 147,038.16 and 58,800.23
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Solution
The fourth proportional to 106,547.91, 147,038.16 and 58,800.23 is: 81,145.45
Step by Step Solution
- Step 1: Write the proportion equation
106,547.91 : 147,038.16 = 58,800.23 : x - Step 2: Convert to fraction form
106,547.91/147,038.16 = 58,800.23/x - Step 3: Cross multiply
106,547.91x = 147,038.16 × 58,800.23 - Step 4: Simplify right side
106,547.91x = 8,645,877,498.10 - Step 5: Solve for x
x = 8,645,877,498.10/106,547.91 - Step 6: Final answer
x = 81,145.45
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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.