Home / 103,923.80-155,931.60-50,586.20

Finding the Fourth Proportional to 103,923.80, 155,931.60 and 50,586.20

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Solution

The fourth proportional to 103,923.80, 155,931.60 and 50,586.20 is: 75,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,923.80 : 155,931.60 = 50,586.20 : x
  2. Step 2: Convert to fraction form
    103,923.80/155,931.60 = 50,586.20/x
  3. Step 3: Cross multiply
    103,923.80x = 155,931.60 × 50,586.20
  4. Step 4: Simplify right side
    103,923.80x = 7,887,987,103.92
  5. Step 5: Solve for x
    x = 7,887,987,103.92/103,923.80
  6. Step 6: Final answer
    x = 75,901.64

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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.