Home / 174,903.40-262,619.10-139,738.60

Finding the Fourth Proportional to 174,903.40, 262,619.10 and 139,738.60

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Solution

The fourth proportional to 174,903.40, 262,619.10 and 139,738.60 is: 209,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,903.40 : 262,619.10 = 139,738.60 : x
  2. Step 2: Convert to fraction form
    174,903.40/262,619.10 = 139,738.60/x
  3. Step 3: Cross multiply
    174,903.40x = 262,619.10 × 139,738.60
  4. Step 4: Simplify right side
    174,903.40x = 36,698,025,367.26
  5. Step 5: Solve for x
    x = 36,698,025,367.26/174,903.40
  6. Step 6: Final answer
    x = 209,818.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.