Home / 255,923.28-383,720.69-106,266.87

Finding the Fourth Proportional to 255,923.28, 383,720.69 and 106,266.87

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Solution

The fourth proportional to 255,923.28, 383,720.69 and 106,266.87 is: 159,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,923.28 : 383,720.69 = 106,266.87 : x
  2. Step 2: Convert to fraction form
    255,923.28/383,720.69 = 106,266.87/x
  3. Step 3: Cross multiply
    255,923.28x = 383,720.69 × 106,266.87
  4. Step 4: Simplify right side
    255,923.28x = 40,776,796,946.21
  5. Step 5: Solve for x
    x = 40,776,796,946.21/255,923.28
  6. Step 6: Final answer
    x = 159,332.11

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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.