Home / 145,037.28-200,153.33-80,508.03

Finding the Fourth Proportional to 145,037.28, 200,153.33 and 80,508.03

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Solution

The fourth proportional to 145,037.28, 200,153.33 and 80,508.03 is: 111,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,037.28 : 200,153.33 = 80,508.03 : x
  2. Step 2: Convert to fraction form
    145,037.28/200,153.33 = 80,508.03/x
  3. Step 3: Cross multiply
    145,037.28x = 200,153.33 × 80,508.03
  4. Step 4: Simplify right side
    145,037.28x = 16,113,949,445.03
  5. Step 5: Solve for x
    x = 16,113,949,445.03/145,037.28
  6. Step 6: Final answer
    x = 111,102.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.