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Finding the Fourth Proportional to 162,762.80, 244,144.20 and 103,640.90

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Solution

The fourth proportional to 162,762.80, 244,144.20 and 103,640.90 is: 155,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,762.80 : 244,144.20 = 103,640.90 : x
  2. Step 2: Convert to fraction form
    162,762.80/244,144.20 = 103,640.90/x
  3. Step 3: Cross multiply
    162,762.80x = 244,144.20 × 103,640.90
  4. Step 4: Simplify right side
    162,762.80x = 25,303,324,617.78
  5. Step 5: Solve for x
    x = 25,303,324,617.78/162,762.80
  6. Step 6: Final answer
    x = 155,461.35

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1.5x scale

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.