Home / 145,949.32-218,256.90-106,102.18

Finding the Fourth Proportional to 145,949.32, 218,256.90 and 106,102.18

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Solution

The fourth proportional to 145,949.32, 218,256.90 and 106,102.18 is: 158,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949.32 : 218,256.90 = 106,102.18 : x
  2. Step 2: Convert to fraction form
    145,949.32/218,256.90 = 106,102.18/x
  3. Step 3: Cross multiply
    145,949.32x = 218,256.90 × 106,102.18
  4. Step 4: Simplify right side
    145,949.32x = 23,157,532,890.04
  5. Step 5: Solve for x
    x = 23,157,532,890.04/145,949.32
  6. Step 6: Final answer
    x = 158,668.32

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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.