Home / 112,072.87-154,659.57-61,085.60

Finding the Fourth Proportional to 112,072.87, 154,659.57 and 61,085.60

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Solution

The fourth proportional to 112,072.87, 154,659.57 and 61,085.60 is: 84,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.87 : 154,659.57 = 61,085.60 : x
  2. Step 2: Convert to fraction form
    112,072.87/154,659.57 = 61,085.60/x
  3. Step 3: Cross multiply
    112,072.87x = 154,659.57 × 61,085.60
  4. Step 4: Simplify right side
    112,072.87x = 9,447,472,435.87
  5. Step 5: Solve for x
    x = 9,447,472,435.87/112,072.87
  6. Step 6: Final answer
    x = 84,297.59

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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.