Home / 134,709.60-202,283.10-90,532.20

Finding the Fourth Proportional to 134,709.60, 202,283.10 and 90,532.20

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Solution

The fourth proportional to 134,709.60, 202,283.10 and 90,532.20 is: 135,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,709.60 : 202,283.10 = 90,532.20 : x
  2. Step 2: Convert to fraction form
    134,709.60/202,283.10 = 90,532.20/x
  3. Step 3: Cross multiply
    134,709.60x = 202,283.10 × 90,532.20
  4. Step 4: Simplify right side
    134,709.60x = 18,313,134,065.82
  5. Step 5: Solve for x
    x = 18,313,134,065.82/134,709.60
  6. Step 6: Final answer
    x = 135,945.28

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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.