Home / 455,292.02-682,939.66-139,748.96

Finding the Fourth Proportional to 455,292.02, 682,939.66 and 139,748.96

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Solution

The fourth proportional to 455,292.02, 682,939.66 and 139,748.96 is: 209,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,292.02 : 682,939.66 = 139,748.96 : x
  2. Step 2: Convert to fraction form
    455,292.02/682,939.66 = 139,748.96/x
  3. Step 3: Cross multiply
    455,292.02x = 682,939.66 × 139,748.96
  4. Step 4: Simplify right side
    455,292.02x = 95,440,107,227.75
  5. Step 5: Solve for x
    x = 95,440,107,227.75/455,292.02
  6. Step 6: Final answer
    x = 209,623.94

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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.