Home / 140,122.40-210,295.67-73,601.73

Finding the Fourth Proportional to 140,122.40, 210,295.67 and 73,601.73

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Solution

The fourth proportional to 140,122.40, 210,295.67 and 73,601.73 is: 110,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,122.40 : 210,295.67 = 73,601.73 : x
  2. Step 2: Convert to fraction form
    140,122.40/210,295.67 = 73,601.73/x
  3. Step 3: Cross multiply
    140,122.40x = 210,295.67 × 73,601.73
  4. Step 4: Simplify right side
    140,122.40x = 15,478,124,755.50
  5. Step 5: Solve for x
    x = 15,478,124,755.50/140,122.40
  6. Step 6: Final answer
    x = 110,461.46

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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.