Home / 185,242.58-255,635.03-100,359.65

Finding the Fourth Proportional to 185,242.58, 255,635.03 and 100,359.65

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Solution

The fourth proportional to 185,242.58, 255,635.03 and 100,359.65 is: 138,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.58 : 255,635.03 = 100,359.65 : x
  2. Step 2: Convert to fraction form
    185,242.58/255,635.03 = 100,359.65/x
  3. Step 3: Cross multiply
    185,242.58x = 255,635.03 × 100,359.65
  4. Step 4: Simplify right side
    185,242.58x = 25,655,441,111.26
  5. Step 5: Solve for x
    x = 25,655,441,111.26/185,242.58
  6. Step 6: Final answer
    x = 138,496.46

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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.