Home / 162,487.04-243,640-50,135.36

Finding the Fourth Proportional to 162,487.04, 243,640 and 50,135.36

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Solution

The fourth proportional to 162,487.04, 243,640 and 50,135.36 is: 75,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.04 : 243,640 = 50,135.36 : x
  2. Step 2: Convert to fraction form
    162,487.04/243,640 = 50,135.36/x
  3. Step 3: Cross multiply
    162,487.04x = 243,640 × 50,135.36
  4. Step 4: Simplify right side
    162,487.04x = 12,214,979,110.40
  5. Step 5: Solve for x
    x = 12,214,979,110.40/162,487.04
  6. Step 6: Final answer
    x = 75,175.10

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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.