Home / 134,713.60-202,289.10-90,536.20

Finding the Fourth Proportional to 134,713.60, 202,289.10 and 90,536.20

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Solution

The fourth proportional to 134,713.60, 202,289.10 and 90,536.20 is: 135,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,713.60 : 202,289.10 = 90,536.20 : x
  2. Step 2: Convert to fraction form
    134,713.60/202,289.10 = 90,536.20/x
  3. Step 3: Cross multiply
    134,713.60x = 202,289.10 × 90,536.20
  4. Step 4: Simplify right side
    134,713.60x = 18,314,486,415.42
  5. Step 5: Solve for x
    x = 18,314,486,415.42/134,713.60
  6. Step 6: Final answer
    x = 135,951.28

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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.