Home / 162,496.90-243,830.33-66,505.37

Finding the Fourth Proportional to 162,496.90, 243,830.33 and 66,505.37

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Solution

The fourth proportional to 162,496.90, 243,830.33 and 66,505.37 is: 99,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,496.90 : 243,830.33 = 66,505.37 : x
  2. Step 2: Convert to fraction form
    162,496.90/243,830.33 = 66,505.37/x
  3. Step 3: Cross multiply
    162,496.90x = 243,830.33 × 66,505.37
  4. Step 4: Simplify right side
    162,496.90x = 16,216,025,260.98
  5. Step 5: Solve for x
    x = 16,216,025,260.98/162,496.90
  6. Step 6: Final answer
    x = 99,792.83

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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.