Home / 90,746.88-136,166.56-40,817.04

Finding the Fourth Proportional to 90,746.88, 136,166.56 and 40,817.04

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Solution

The fourth proportional to 90,746.88, 136,166.56 and 40,817.04 is: 61,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.88 : 136,166.56 = 40,817.04 : x
  2. Step 2: Convert to fraction form
    90,746.88/136,166.56 = 40,817.04/x
  3. Step 3: Cross multiply
    90,746.88x = 136,166.56 × 40,817.04
  4. Step 4: Simplify right side
    90,746.88x = 5,557,915,926.18
  5. Step 5: Solve for x
    x = 5,557,915,926.18/90,746.88
  6. Step 6: Final answer
    x = 61,246.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.