Home / 90,734.76-136,102.36-27,555.36

Finding the Fourth Proportional to 90,734.76, 136,102.36 and 27,555.36

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Solution

The fourth proportional to 90,734.76, 136,102.36 and 27,555.36 is: 41,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.76 : 136,102.36 = 27,555.36 : x
  2. Step 2: Convert to fraction form
    90,734.76/136,102.36 = 27,555.36/x
  3. Step 3: Cross multiply
    90,734.76x = 136,102.36 × 27,555.36
  4. Step 4: Simplify right side
    90,734.76x = 3,750,349,406.09
  5. Step 5: Solve for x
    x = 3,750,349,406.09/90,734.76
  6. Step 6: Final answer
    x = 41,333.11

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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.