Home / 454,617.15-681,900.98-139,074.05

Finding the Fourth Proportional to 454,617.15, 681,900.98 and 139,074.05

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Solution

The fourth proportional to 454,617.15, 681,900.98 and 139,074.05 is: 208,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,617.15 : 681,900.98 = 139,074.05 : x
  2. Step 2: Convert to fraction form
    454,617.15/681,900.98 = 139,074.05/x
  3. Step 3: Cross multiply
    454,617.15x = 681,900.98 × 139,074.05
  4. Step 4: Simplify right side
    454,617.15x = 94,834,730,987.57
  5. Step 5: Solve for x
    x = 94,834,730,987.57/454,617.15
  6. Step 6: Final answer
    x = 208,603.51

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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.