Home / 90,817.16-136,230.86-27,639.34

Finding the Fourth Proportional to 90,817.16, 136,230.86 and 27,639.34

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Solution

The fourth proportional to 90,817.16, 136,230.86 and 27,639.34 is: 41,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.16 : 136,230.86 = 27,639.34 : x
  2. Step 2: Convert to fraction form
    90,817.16/136,230.86 = 27,639.34/x
  3. Step 3: Cross multiply
    90,817.16x = 136,230.86 × 27,639.34
  4. Step 4: Simplify right side
    90,817.16x = 3,765,331,058.03
  5. Step 5: Solve for x
    x = 3,765,331,058.03/90,817.16
  6. Step 6: Final answer
    x = 41,460.57

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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.