Home / 185,130.63-255,477.24-100,246.68

Finding the Fourth Proportional to 185,130.63, 255,477.24 and 100,246.68

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Solution

The fourth proportional to 185,130.63, 255,477.24 and 100,246.68 is: 138,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,130.63 : 255,477.24 = 100,246.68 : x
  2. Step 2: Convert to fraction form
    185,130.63/255,477.24 = 100,246.68/x
  3. Step 3: Cross multiply
    185,130.63x = 255,477.24 × 100,246.68
  4. Step 4: Simplify right side
    185,130.63x = 25,610,745,125.56
  5. Step 5: Solve for x
    x = 25,610,745,125.56/185,130.63
  6. Step 6: Final answer
    x = 138,338.78

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1.5x scale

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.