Home / 103,433.10-155,149.65-50,831.70

Finding the Fourth Proportional to 103,433.10, 155,149.65 and 50,831.70

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Solution

The fourth proportional to 103,433.10, 155,149.65 and 50,831.70 is: 76,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.10 : 155,149.65 = 50,831.70 : x
  2. Step 2: Convert to fraction form
    103,433.10/155,149.65 = 50,831.70/x
  3. Step 3: Cross multiply
    103,433.10x = 155,149.65 × 50,831.70
  4. Step 4: Simplify right side
    103,433.10x = 7,886,520,463.91
  5. Step 5: Solve for x
    x = 7,886,520,463.91/103,433.10
  6. Step 6: Final answer
    x = 76,247.55

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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.