Home / 185,259.47-255,624.43-103,589.20

Finding the Fourth Proportional to 185,259.47, 255,624.43 and 103,589.20

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Solution

The fourth proportional to 185,259.47, 255,624.43 and 103,589.20 is: 142,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,259.47 : 255,624.43 = 103,589.20 : x
  2. Step 2: Convert to fraction form
    185,259.47/255,624.43 = 103,589.20/x
  3. Step 3: Cross multiply
    185,259.47x = 255,624.43 × 103,589.20
  4. Step 4: Simplify right side
    185,259.47x = 26,479,929,306.12
  5. Step 5: Solve for x
    x = 26,479,929,306.12/185,259.47
  6. Step 6: Final answer
    x = 142,934.28

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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.