Home / 112,255.41-154,911-61,268.97

Finding the Fourth Proportional to 112,255.41, 154,911 and 61,268.97

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Solution

The fourth proportional to 112,255.41, 154,911 and 61,268.97 is: 84,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.41 : 154,911 = 61,268.97 : x
  2. Step 2: Convert to fraction form
    112,255.41/154,911 = 61,268.97/x
  3. Step 3: Cross multiply
    112,255.41x = 154,911 × 61,268.97
  4. Step 4: Simplify right side
    112,255.41x = 9,491,237,411.67
  5. Step 5: Solve for x
    x = 9,491,237,411.67/112,255.41
  6. Step 6: Final answer
    x = 84,550.38

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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.