Home / 134,867.70-202,301.55-90,515.70

Finding the Fourth Proportional to 134,867.70, 202,301.55 and 90,515.70

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Solution

The fourth proportional to 134,867.70, 202,301.55 and 90,515.70 is: 135,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.70 : 202,301.55 = 90,515.70 : x
  2. Step 2: Convert to fraction form
    134,867.70/202,301.55 = 90,515.70/x
  3. Step 3: Cross multiply
    134,867.70x = 202,301.55 × 90,515.70
  4. Step 4: Simplify right side
    134,867.70x = 18,311,466,409.34
  5. Step 5: Solve for x
    x = 18,311,466,409.34/134,867.70
  6. Step 6: Final answer
    x = 135,773.55

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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.