Home / 134,856.70-202,285.05-90,504.70

Finding the Fourth Proportional to 134,856.70, 202,285.05 and 90,504.70

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Solution

The fourth proportional to 134,856.70, 202,285.05 and 90,504.70 is: 135,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.70 : 202,285.05 = 90,504.70 : x
  2. Step 2: Convert to fraction form
    134,856.70/202,285.05 = 90,504.70/x
  3. Step 3: Cross multiply
    134,856.70x = 202,285.05 × 90,504.70
  4. Step 4: Simplify right side
    134,856.70x = 18,307,747,764.74
  5. Step 5: Solve for x
    x = 18,307,747,764.74/134,856.70
  6. Step 6: Final answer
    x = 135,757.05

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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.