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Finding the Fourth Proportional to 151,354, 208,520.76 and 119,511.28

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Solution

The fourth proportional to 151,354, 208,520.76 and 119,511.28 is: 164,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,354 : 208,520.76 = 119,511.28 : x
  2. Step 2: Convert to fraction form
    151,354/208,520.76 = 119,511.28/x
  3. Step 3: Cross multiply
    151,354x = 208,520.76 × 119,511.28
  4. Step 4: Simplify right side
    151,354x = 24,920,582,934.17
  5. Step 5: Solve for x
    x = 24,920,582,934.17/151,354
  6. Step 6: Final answer
    x = 164,650.97

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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.