Home / 112,554.30-155,318.58-61,556.88

Finding the Fourth Proportional to 112,554.30, 155,318.58 and 61,556.88

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Solution

The fourth proportional to 112,554.30, 155,318.58 and 61,556.88 is: 84,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554.30 : 155,318.58 = 61,556.88 : x
  2. Step 2: Convert to fraction form
    112,554.30/155,318.58 = 61,556.88/x
  3. Step 3: Cross multiply
    112,554.30x = 155,318.58 × 61,556.88
  4. Step 4: Simplify right side
    112,554.30x = 9,560,927,190.83
  5. Step 5: Solve for x
    x = 9,560,927,190.83/112,554.30
  6. Step 6: Final answer
    x = 84,945.02

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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.