Home / 454,627.95-681,969.23-139,087.59

Finding the Fourth Proportional to 454,627.95, 681,969.23 and 139,087.59

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Solution

The fourth proportional to 454,627.95, 681,969.23 and 139,087.59 is: 208,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,627.95 : 681,969.23 = 139,087.59 : x
  2. Step 2: Convert to fraction form
    454,627.95/681,969.23 = 139,087.59/x
  3. Step 3: Cross multiply
    454,627.95x = 681,969.23 × 139,087.59
  4. Step 4: Simplify right side
    454,627.95x = 94,853,455,959.42
  5. Step 5: Solve for x
    x = 94,853,455,959.42/454,627.95
  6. Step 6: Final answer
    x = 208,639.74

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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.