Home / 454,654.13-682,008.53-139,113.77

Finding the Fourth Proportional to 454,654.13, 682,008.53 and 139,113.77

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Solution

The fourth proportional to 454,654.13, 682,008.53 and 139,113.77 is: 208,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,654.13 : 682,008.53 = 139,113.77 : x
  2. Step 2: Convert to fraction form
    454,654.13/682,008.53 = 139,113.77/x
  3. Step 3: Cross multiply
    454,654.13x = 682,008.53 × 139,113.77
  4. Step 4: Simplify right side
    454,654.13x = 94,876,773,674.85
  5. Step 5: Solve for x
    x = 94,876,773,674.85/454,654.13
  6. Step 6: Final answer
    x = 208,679.01

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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.