Home / 90,987.04-136,480.56-27,804.61

Finding the Fourth Proportional to 90,987.04, 136,480.56 and 27,804.61

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Solution

The fourth proportional to 90,987.04, 136,480.56 and 27,804.61 is: 41,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987.04 : 136,480.56 = 27,804.61 : x
  2. Step 2: Convert to fraction form
    90,987.04/136,480.56 = 27,804.61/x
  3. Step 3: Cross multiply
    90,987.04x = 136,480.56 × 27,804.61
  4. Step 4: Simplify right side
    90,987.04x = 3,794,788,743.38
  5. Step 5: Solve for x
    x = 3,794,788,743.38/90,987.04
  6. Step 6: Final answer
    x = 41,706.92

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1.5x scale

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.