Home / 257,073.20-354,758.55-148,137.52

Finding the Fourth Proportional to 257,073.20, 354,758.55 and 148,137.52

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Solution

The fourth proportional to 257,073.20, 354,758.55 and 148,137.52 is: 204,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,073.20 : 354,758.55 = 148,137.52 : x
  2. Step 2: Convert to fraction form
    257,073.20/354,758.55 = 148,137.52/x
  3. Step 3: Cross multiply
    257,073.20x = 354,758.55 × 148,137.52
  4. Step 4: Simplify right side
    257,073.20x = 52,553,050,908.90
  5. Step 5: Solve for x
    x = 52,553,050,908.90/257,073.20
  6. Step 6: Final answer
    x = 204,428.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.