Home / 257,853.20-386,935.31-110,109.20

Finding the Fourth Proportional to 257,853.20, 386,935.31 and 110,109.20

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Solution

The fourth proportional to 257,853.20, 386,935.31 and 110,109.20 is: 165,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,853.20 : 386,935.31 = 110,109.20 : x
  2. Step 2: Convert to fraction form
    257,853.20/386,935.31 = 110,109.20/x
  3. Step 3: Cross multiply
    257,853.20x = 386,935.31 × 110,109.20
  4. Step 4: Simplify right side
    257,853.20x = 42,605,134,950.63
  5. Step 5: Solve for x
    x = 42,605,134,950.63/257,853.20
  6. Step 6: Final answer
    x = 165,230.20

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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.