Home / 142,025.96-196,066.85-88,328.28

Finding the Fourth Proportional to 142,025.96, 196,066.85 and 88,328.28

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Solution

The fourth proportional to 142,025.96, 196,066.85 and 88,328.28 is: 121,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,025.96 : 196,066.85 = 88,328.28 : x
  2. Step 2: Convert to fraction form
    142,025.96/196,066.85 = 88,328.28/x
  3. Step 3: Cross multiply
    142,025.96x = 196,066.85 × 88,328.28
  4. Step 4: Simplify right side
    142,025.96x = 17,318,247,183.88
  5. Step 5: Solve for x
    x = 17,318,247,183.88/142,025.96
  6. Step 6: Final answer
    x = 121,937.19

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1.5x scale

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.