Home / 146,355.98-201,974.22-80,946.86

Finding the Fourth Proportional to 146,355.98, 201,974.22 and 80,946.86

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Solution

The fourth proportional to 146,355.98, 201,974.22 and 80,946.86 is: 111,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,355.98 : 201,974.22 = 80,946.86 : x
  2. Step 2: Convert to fraction form
    146,355.98/201,974.22 = 80,946.86/x
  3. Step 3: Cross multiply
    146,355.98x = 201,974.22 × 80,946.86
  4. Step 4: Simplify right side
    146,355.98x = 16,349,178,909.95
  5. Step 5: Solve for x
    x = 16,349,178,909.95/146,355.98
  6. Step 6: Final answer
    x = 111,708.31

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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.