Home / 255,530.03-383,313.51-103,654.17

Finding the Fourth Proportional to 255,530.03, 383,313.51 and 103,654.17

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Solution

The fourth proportional to 255,530.03, 383,313.51 and 103,654.17 is: 155,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,530.03 : 383,313.51 = 103,654.17 : x
  2. Step 2: Convert to fraction form
    255,530.03/383,313.51 = 103,654.17/x
  3. Step 3: Cross multiply
    255,530.03x = 383,313.51 × 103,654.17
  4. Step 4: Simplify right side
    255,530.03x = 39,732,043,469.70
  5. Step 5: Solve for x
    x = 39,732,043,469.70/255,530.03
  6. Step 6: Final answer
    x = 155,488.74

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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.