Home / 136,289.05-204,441.77-42,794.80

Finding the Fourth Proportional to 136,289.05, 204,441.77 and 42,794.80

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Solution

The fourth proportional to 136,289.05, 204,441.77 and 42,794.80 is: 64,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.05 : 204,441.77 = 42,794.80 : x
  2. Step 2: Convert to fraction form
    136,289.05/204,441.77 = 42,794.80/x
  3. Step 3: Cross multiply
    136,289.05x = 204,441.77 × 42,794.80
  4. Step 4: Simplify right side
    136,289.05x = 8,749,044,254.68
  5. Step 5: Solve for x
    x = 8,749,044,254.68/136,289.05
  6. Step 6: Final answer
    x = 64,194.77

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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.