Home / 454,063.15-681,070.02-138,495.25

Finding the Fourth Proportional to 454,063.15, 681,070.02 and 138,495.25

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Solution

The fourth proportional to 454,063.15, 681,070.02 and 138,495.25 is: 207,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,063.15 : 681,070.02 = 138,495.25 : x
  2. Step 2: Convert to fraction form
    454,063.15/681,070.02 = 138,495.25/x
  3. Step 3: Cross multiply
    454,063.15x = 681,070.02 × 138,495.25
  4. Step 4: Simplify right side
    454,063.15x = 94,324,962,687.41
  5. Step 5: Solve for x
    x = 94,324,962,687.41/454,063.15
  6. Step 6: Final answer
    x = 207,735.34

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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.