Home / 128,250.90-192,379.66-60,767.10

Finding the Fourth Proportional to 128,250.90, 192,379.66 and 60,767.10

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Solution

The fourth proportional to 128,250.90, 192,379.66 and 60,767.10 is: 91,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,250.90 : 192,379.66 = 60,767.10 : x
  2. Step 2: Convert to fraction form
    128,250.90/192,379.66 = 60,767.10/x
  3. Step 3: Cross multiply
    128,250.90x = 192,379.66 × 60,767.10
  4. Step 4: Simplify right side
    128,250.90x = 11,690,354,037.19
  5. Step 5: Solve for x
    x = 11,690,354,037.19/128,250.90
  6. Step 6: Final answer
    x = 91,152.22

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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.