Home / 185,434.06-255,899.15-100,551.12

Finding the Fourth Proportional to 185,434.06, 255,899.15 and 100,551.12

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Solution

The fourth proportional to 185,434.06, 255,899.15 and 100,551.12 is: 138,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,434.06 : 255,899.15 = 100,551.12 : x
  2. Step 2: Convert to fraction form
    185,434.06/255,899.15 = 100,551.12/x
  3. Step 3: Cross multiply
    185,434.06x = 255,899.15 × 100,551.12
  4. Step 4: Simplify right side
    185,434.06x = 25,730,946,139.55
  5. Step 5: Solve for x
    x = 25,730,946,139.55/185,434.06
  6. Step 6: Final answer
    x = 138,760.63

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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.