Home / 112,506.30-155,258.85-61,519.26

Finding the Fourth Proportional to 112,506.30, 155,258.85 and 61,519.26

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Solution

The fourth proportional to 112,506.30, 155,258.85 and 61,519.26 is: 84,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506.30 : 155,258.85 = 61,519.26 : x
  2. Step 2: Convert to fraction form
    112,506.30/155,258.85 = 61,519.26/x
  3. Step 3: Cross multiply
    112,506.30x = 155,258.85 × 61,519.26
  4. Step 4: Simplify right side
    112,506.30x = 9,551,409,560.45
  5. Step 5: Solve for x
    x = 9,551,409,560.45/112,506.30
  6. Step 6: Final answer
    x = 84,896.66

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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.