Home / 254,150.10-381,601.80-142,054.20

Finding the Fourth Proportional to 254,150.10, 381,601.80 and 142,054.20

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Solution

The fourth proportional to 254,150.10, 381,601.80 and 142,054.20 is: 213,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,150.10 : 381,601.80 = 142,054.20 : x
  2. Step 2: Convert to fraction form
    254,150.10/381,601.80 = 142,054.20/x
  3. Step 3: Cross multiply
    254,150.10x = 381,601.80 × 142,054.20
  4. Step 4: Simplify right side
    254,150.10x = 54,208,138,417.56
  5. Step 5: Solve for x
    x = 54,208,138,417.56/254,150.10
  6. Step 6: Final answer
    x = 213,291.82

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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.