Home / 255,825.64-383,739.18-89,574.76

Finding the Fourth Proportional to 255,825.64, 383,739.18 and 89,574.76

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Solution

The fourth proportional to 255,825.64, 383,739.18 and 89,574.76 is: 134,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,825.64 : 383,739.18 = 89,574.76 : x
  2. Step 2: Convert to fraction form
    255,825.64/383,739.18 = 89,574.76/x
  3. Step 3: Cross multiply
    255,825.64x = 383,739.18 × 89,574.76
  4. Step 4: Simplify right side
    255,825.64x = 34,373,344,951.10
  5. Step 5: Solve for x
    x = 34,373,344,951.10/255,825.64
  6. Step 6: Final answer
    x = 134,362.39

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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.