Home / 356,138.20-534,205.29-89,897.62

Finding the Fourth Proportional to 356,138.20, 534,205.29 and 89,897.62

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Solution

The fourth proportional to 356,138.20, 534,205.29 and 89,897.62 is: 134,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,138.20 : 534,205.29 = 89,897.62 : x
  2. Step 2: Convert to fraction form
    356,138.20/534,205.29 = 89,897.62/x
  3. Step 3: Cross multiply
    356,138.20x = 534,205.29 × 89,897.62
  4. Step 4: Simplify right side
    356,138.20x = 48,023,784,162.41
  5. Step 5: Solve for x
    x = 48,023,784,162.41/356,138.20
  6. Step 6: Final answer
    x = 134,845.92

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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.