Finding the Fourth Proportional to 118,030.08, 162,881.58 and 64,315.08
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Solution
The fourth proportional to 118,030.08, 162,881.58 and 64,315.08 is: 88,754.85
Step by Step Solution
- Step 1: Write the proportion equation
118,030.08 : 162,881.58 = 64,315.08 : x - Step 2: Convert to fraction form
118,030.08/162,881.58 = 64,315.08/x - Step 3: Cross multiply
118,030.08x = 162,881.58 × 64,315.08 - Step 4: Simplify right side
118,030.08x = 10,475,742,089.41 - Step 5: Solve for x
x = 10,475,742,089.41/118,030.08 - Step 6: Final answer
x = 88,754.85
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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.