Finding the Fourth Proportional to 114,130.72, 157,507.68 and 63,830.08
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Solution
The fourth proportional to 114,130.72, 157,507.68 and 63,830.08 is: 88,089.59
Step by Step Solution
- Step 1: Write the proportion equation
114,130.72 : 157,507.68 = 63,830.08 : x - Step 2: Convert to fraction form
114,130.72/157,507.68 = 63,830.08/x - Step 3: Cross multiply
114,130.72x = 157,507.68 × 63,830.08 - Step 4: Simplify right side
114,130.72x = 10,053,727,815.01 - Step 5: Solve for x
x = 10,053,727,815.01/114,130.72 - Step 6: Final answer
x = 88,089.59
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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.