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Finding the Fourth Proportional to 162,846.90, 244,645.79 and 156,120.93

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Solution

The fourth proportional to 162,846.90, 244,645.79 and 156,120.93 is: 234,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,846.90 : 244,645.79 = 156,120.93 : x
  2. Step 2: Convert to fraction form
    162,846.90/244,645.79 = 156,120.93/x
  3. Step 3: Cross multiply
    162,846.90x = 244,645.79 × 156,120.93
  4. Step 4: Simplify right side
    162,846.90x = 38,194,328,255.38
  5. Step 5: Solve for x
    x = 38,194,328,255.38/162,846.90
  6. Step 6: Final answer
    x = 234,541.33

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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.