Home / 454,606.72-681,885.54-139,063.66

Finding the Fourth Proportional to 454,606.72, 681,885.54 and 139,063.66

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Solution

The fourth proportional to 454,606.72, 681,885.54 and 139,063.66 is: 208,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,606.72 : 681,885.54 = 139,063.66 : x
  2. Step 2: Convert to fraction form
    454,606.72/681,885.54 = 139,063.66/x
  3. Step 3: Cross multiply
    454,606.72x = 681,885.54 × 139,063.66
  4. Step 4: Simplify right side
    454,606.72x = 94,825,498,893.48
  5. Step 5: Solve for x
    x = 94,825,498,893.48/454,606.72
  6. Step 6: Final answer
    x = 208,587.98

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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.