Home / 112,537.32-155,295.20-61,539.88

Finding the Fourth Proportional to 112,537.32, 155,295.20 and 61,539.88

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Solution

The fourth proportional to 112,537.32, 155,295.20 and 61,539.88 is: 84,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.32 : 155,295.20 = 61,539.88 : x
  2. Step 2: Convert to fraction form
    112,537.32/155,295.20 = 61,539.88/x
  3. Step 3: Cross multiply
    112,537.32x = 155,295.20 × 61,539.88
  4. Step 4: Simplify right side
    112,537.32x = 9,556,847,972.58
  5. Step 5: Solve for x
    x = 9,556,847,972.58/112,537.32
  6. Step 6: Final answer
    x = 84,921.59

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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.