Home / 140,219.06-210,354.73-45,440.79

Finding the Fourth Proportional to 140,219.06, 210,354.73 and 45,440.79

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Solution

The fourth proportional to 140,219.06, 210,354.73 and 45,440.79 is: 68,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,219.06 : 210,354.73 = 45,440.79 : x
  2. Step 2: Convert to fraction form
    140,219.06/210,354.73 = 45,440.79/x
  3. Step 3: Cross multiply
    140,219.06x = 210,354.73 × 45,440.79
  4. Step 4: Simplify right side
    140,219.06x = 9,558,684,997.83
  5. Step 5: Solve for x
    x = 9,558,684,997.83/140,219.06
  6. Step 6: Final answer
    x = 68,169.66

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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.