Home / 185,139.23-255,492.08-100,256.27

Finding the Fourth Proportional to 185,139.23, 255,492.08 and 100,256.27

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Solution

The fourth proportional to 185,139.23, 255,492.08 and 100,256.27 is: 138,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,139.23 : 255,492.08 = 100,256.27 : x
  2. Step 2: Convert to fraction form
    185,139.23/255,492.08 = 100,256.27/x
  3. Step 3: Cross multiply
    185,139.23x = 255,492.08 × 100,256.27
  4. Step 4: Simplify right side
    185,139.23x = 25,614,682,454.06
  5. Step 5: Solve for x
    x = 25,614,682,454.06/185,139.23
  6. Step 6: Final answer
    x = 138,353.62

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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.