Home / 142,884.57-197,181.63-82,457.76

Finding the Fourth Proportional to 142,884.57, 197,181.63 and 82,457.76

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Solution

The fourth proportional to 142,884.57, 197,181.63 and 82,457.76 is: 113,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,884.57 : 197,181.63 = 82,457.76 : x
  2. Step 2: Convert to fraction form
    142,884.57/197,181.63 = 82,457.76/x
  3. Step 3: Cross multiply
    142,884.57x = 197,181.63 × 82,457.76
  4. Step 4: Simplify right side
    142,884.57x = 16,259,155,522.95
  5. Step 5: Solve for x
    x = 16,259,155,522.95/142,884.57
  6. Step 6: Final answer
    x = 113,792.24

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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.