Home / 454,617.56-681,901.58-139,074.46

Finding the Fourth Proportional to 454,617.56, 681,901.58 and 139,074.46

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Solution

The fourth proportional to 454,617.56, 681,901.58 and 139,074.46 is: 208,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,617.56 : 681,901.58 = 139,074.46 : x
  2. Step 2: Convert to fraction form
    454,617.56/681,901.58 = 139,074.46/x
  3. Step 3: Cross multiply
    454,617.56x = 681,901.58 × 139,074.46
  4. Step 4: Simplify right side
    454,617.56x = 94,835,092,654.58
  5. Step 5: Solve for x
    x = 94,835,092,654.58/454,617.56
  6. Step 6: Final answer
    x = 208,604.11

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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.