Home / 185,250.75-255,646.28-100,367.81

Finding the Fourth Proportional to 185,250.75, 255,646.28 and 100,367.81

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Solution

The fourth proportional to 185,250.75, 255,646.28 and 100,367.81 is: 138,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,250.75 : 255,646.28 = 100,367.81 : x
  2. Step 2: Convert to fraction form
    185,250.75/255,646.28 = 100,367.81/x
  3. Step 3: Cross multiply
    185,250.75x = 255,646.28 × 100,367.81
  4. Step 4: Simplify right side
    185,250.75x = 25,658,655,478.18
  5. Step 5: Solve for x
    x = 25,658,655,478.18/185,250.75
  6. Step 6: Final answer
    x = 138,507.70

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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.