Home / 112,289.97-154,950.85-63,879.02

Finding the Fourth Proportional to 112,289.97, 154,950.85 and 63,879.02

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Solution

The fourth proportional to 112,289.97, 154,950.85 and 63,879.02 is: 88,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,289.97 : 154,950.85 = 63,879.02 : x
  2. Step 2: Convert to fraction form
    112,289.97/154,950.85 = 63,879.02/x
  3. Step 3: Cross multiply
    112,289.97x = 154,950.85 × 63,879.02
  4. Step 4: Simplify right side
    112,289.97x = 9,898,107,511.72
  5. Step 5: Solve for x
    x = 9,898,107,511.72/112,289.97
  6. Step 6: Final answer
    x = 88,147.74

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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.