Home / 112,535.30-155,292.44-61,537.88

Finding the Fourth Proportional to 112,535.30, 155,292.44 and 61,537.88

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Solution

The fourth proportional to 112,535.30, 155,292.44 and 61,537.88 is: 84,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.30 : 155,292.44 = 61,537.88 : x
  2. Step 2: Convert to fraction form
    112,535.30/155,292.44 = 61,537.88/x
  3. Step 3: Cross multiply
    112,535.30x = 155,292.44 × 61,537.88
  4. Step 4: Simplify right side
    112,535.30x = 9,556,367,537.63
  5. Step 5: Solve for x
    x = 9,556,367,537.63/112,535.30
  6. Step 6: Final answer
    x = 84,918.84

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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.