Home / 185,153.40-255,510.42-100,268.52

Finding the Fourth Proportional to 185,153.40, 255,510.42 and 100,268.52

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Solution

The fourth proportional to 185,153.40, 255,510.42 and 100,268.52 is: 138,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,153.40 : 255,510.42 = 100,268.52 : x
  2. Step 2: Convert to fraction form
    185,153.40/255,510.42 = 100,268.52/x
  3. Step 3: Cross multiply
    185,153.40x = 255,510.42 × 100,268.52
  4. Step 4: Simplify right side
    185,153.40x = 25,619,651,657.98
  5. Step 5: Solve for x
    x = 25,619,651,657.98/185,153.40
  6. Step 6: Final answer
    x = 138,369.87

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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.