Home / 90,293.00-135,439.20-27,112.86

Finding the Fourth Proportional to 90,293.00, 135,439.20 and 27,112.86

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Solution

The fourth proportional to 90,293.00, 135,439.20 and 27,112.86 is: 40,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293.00 : 135,439.20 = 27,112.86 : x
  2. Step 2: Convert to fraction form
    90,293.00/135,439.20 = 27,112.86/x
  3. Step 3: Cross multiply
    90,293.00x = 135,439.20 × 27,112.86
  4. Step 4: Simplify right side
    90,293.00x = 3,672,144,068.11
  5. Step 5: Solve for x
    x = 3,672,144,068.11/90,293.00
  6. Step 6: Final answer
    x = 40,669.20

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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.