Home / 255,537.64-383,306.46-89,286.76

Finding the Fourth Proportional to 255,537.64, 383,306.46 and 89,286.76

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Solution

The fourth proportional to 255,537.64, 383,306.46 and 89,286.76 is: 133,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,537.64 : 383,306.46 = 89,286.76 : x
  2. Step 2: Convert to fraction form
    255,537.64/383,306.46 = 89,286.76/x
  3. Step 3: Cross multiply
    255,537.64x = 383,306.46 × 89,286.76
  4. Step 4: Simplify right side
    255,537.64x = 34,224,191,900.47
  5. Step 5: Solve for x
    x = 34,224,191,900.47/255,537.64
  6. Step 6: Final answer
    x = 133,930.14

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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.