Home / 174,921.80-262,382.70-139,929.80

Finding the Fourth Proportional to 174,921.80, 262,382.70 and 139,929.80

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Solution

The fourth proportional to 174,921.80, 262,382.70 and 139,929.80 is: 209,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,921.80 : 262,382.70 = 139,929.80 : x
  2. Step 2: Convert to fraction form
    174,921.80/262,382.70 = 139,929.80/x
  3. Step 3: Cross multiply
    174,921.80x = 262,382.70 × 139,929.80
  4. Step 4: Simplify right side
    174,921.80x = 36,715,158,734.46
  5. Step 5: Solve for x
    x = 36,715,158,734.46/174,921.80
  6. Step 6: Final answer
    x = 209,894.70

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1.5x scale

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.