Home / 112,959.03-155,886.35-61,973.94

Finding the Fourth Proportional to 112,959.03, 155,886.35 and 61,973.94

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Solution

The fourth proportional to 112,959.03, 155,886.35 and 61,973.94 is: 85,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.03 : 155,886.35 = 61,973.94 : x
  2. Step 2: Convert to fraction form
    112,959.03/155,886.35 = 61,973.94/x
  3. Step 3: Cross multiply
    112,959.03x = 155,886.35 × 61,973.94
  4. Step 4: Simplify right side
    112,959.03x = 9,660,890,991.85
  5. Step 5: Solve for x
    x = 9,660,890,991.85/112,959.03
  6. Step 6: Final answer
    x = 85,525.62

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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.