Home / 185,247.75-255,642.14-100,364.81

Finding the Fourth Proportional to 185,247.75, 255,642.14 and 100,364.81

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Solution

The fourth proportional to 185,247.75, 255,642.14 and 100,364.81 is: 138,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,247.75 : 255,642.14 = 100,364.81 : x
  2. Step 2: Convert to fraction form
    185,247.75/255,642.14 = 100,364.81/x
  3. Step 3: Cross multiply
    185,247.75x = 255,642.14 × 100,364.81
  4. Step 4: Simplify right side
    185,247.75x = 25,657,473,029.06
  5. Step 5: Solve for x
    x = 25,657,473,029.06/185,247.75
  6. Step 6: Final answer
    x = 138,503.56

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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.