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Finding the Fourth Proportional to 162,161.16, 242,846.46 and 91,827.24

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Solution

The fourth proportional to 162,161.16, 242,846.46 and 91,827.24 is: 137,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,161.16 : 242,846.46 = 91,827.24 : x
  2. Step 2: Convert to fraction form
    162,161.16/242,846.46 = 91,827.24/x
  3. Step 3: Cross multiply
    162,161.16x = 242,846.46 × 91,827.24
  4. Step 4: Simplify right side
    162,161.16x = 22,299,920,165.57
  5. Step 5: Solve for x
    x = 22,299,920,165.57/162,161.16
  6. Step 6: Final answer
    x = 137,517.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.