Home / 198,312.21-297,215.60-92,898.81

Finding the Fourth Proportional to 198,312.21, 297,215.60 and 92,898.81

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Solution

The fourth proportional to 198,312.21, 297,215.60 and 92,898.81 is: 139,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,312.21 : 297,215.60 = 92,898.81 : x
  2. Step 2: Convert to fraction form
    198,312.21/297,215.60 = 92,898.81/x
  3. Step 3: Cross multiply
    198,312.21x = 297,215.60 × 92,898.81
  4. Step 4: Simplify right side
    198,312.21x = 27,610,975,088.94
  5. Step 5: Solve for x
    x = 27,610,975,088.94/198,312.21
  6. Step 6: Final answer
    x = 139,229.83

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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.