Home / 112,511.83-155,265.94-63,449.55

Finding the Fourth Proportional to 112,511.83, 155,265.94 and 63,449.55

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Solution

The fourth proportional to 112,511.83, 155,265.94 and 63,449.55 is: 87,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.83 : 155,265.94 = 63,449.55 : x
  2. Step 2: Convert to fraction form
    112,511.83/155,265.94 = 63,449.55/x
  3. Step 3: Cross multiply
    112,511.83x = 155,265.94 × 63,449.55
  4. Step 4: Simplify right side
    112,511.83x = 9,851,554,023.33
  5. Step 5: Solve for x
    x = 9,851,554,023.33/112,511.83
  6. Step 6: Final answer
    x = 87,560.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.