Home / 90,455.69-135,639.56-27,264.07

Finding the Fourth Proportional to 90,455.69, 135,639.56 and 27,264.07

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Solution

The fourth proportional to 90,455.69, 135,639.56 and 27,264.07 is: 40,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,455.69 : 135,639.56 = 27,264.07 : x
  2. Step 2: Convert to fraction form
    90,455.69/135,639.56 = 27,264.07/x
  3. Step 3: Cross multiply
    90,455.69x = 135,639.56 × 27,264.07
  4. Step 4: Simplify right side
    90,455.69x = 3,698,086,314.83
  5. Step 5: Solve for x
    x = 3,698,086,314.83/90,455.69
  6. Step 6: Final answer
    x = 40,882.85

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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.