Home / 128,066.92-192,097.69-42,683.96

Finding the Fourth Proportional to 128,066.92, 192,097.69 and 42,683.96

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Solution

The fourth proportional to 128,066.92, 192,097.69 and 42,683.96 is: 64,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,066.92 : 192,097.69 = 42,683.96 : x
  2. Step 2: Convert to fraction form
    128,066.92/192,097.69 = 42,683.96/x
  3. Step 3: Cross multiply
    128,066.92x = 192,097.69 × 42,683.96
  4. Step 4: Simplify right side
    128,066.92x = 8,199,490,729.68
  5. Step 5: Solve for x
    x = 8,199,490,729.68/128,066.92
  6. Step 6: Final answer
    x = 64,025.05

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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.