Home / 255,941.81-383,748.68-106,285.40

Finding the Fourth Proportional to 255,941.81, 383,748.68 and 106,285.40

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Solution

The fourth proportional to 255,941.81, 383,748.68 and 106,285.40 is: 159,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,941.81 : 383,748.68 = 106,285.40 : x
  2. Step 2: Convert to fraction form
    255,941.81/383,748.68 = 106,285.40/x
  3. Step 3: Cross multiply
    255,941.81x = 383,748.68 × 106,285.40
  4. Step 4: Simplify right side
    255,941.81x = 40,786,881,953.27
  5. Step 5: Solve for x
    x = 40,786,881,953.27/255,941.81
  6. Step 6: Final answer
    x = 159,359.98

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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.