Home / 100,722.32-151,120.76-41,563.16

Finding the Fourth Proportional to 100,722.32, 151,120.76 and 41,563.16

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Solution

The fourth proportional to 100,722.32, 151,120.76 and 41,563.16 is: 62,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,722.32 : 151,120.76 = 41,563.16 : x
  2. Step 2: Convert to fraction form
    100,722.32/151,120.76 = 41,563.16/x
  3. Step 3: Cross multiply
    100,722.32x = 151,120.76 × 41,563.16
  4. Step 4: Simplify right side
    100,722.32x = 6,281,056,327.20
  5. Step 5: Solve for x
    x = 6,281,056,327.20/100,722.32
  6. Step 6: Final answer
    x = 62,360.12

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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.