Home / 134,800.40-202,200.60-68,445.20

Finding the Fourth Proportional to 134,800.40, 202,200.60 and 68,445.20

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Solution

The fourth proportional to 134,800.40, 202,200.60 and 68,445.20 is: 102,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,800.40 : 202,200.60 = 68,445.20 : x
  2. Step 2: Convert to fraction form
    134,800.40/202,200.60 = 68,445.20/x
  3. Step 3: Cross multiply
    134,800.40x = 202,200.60 × 68,445.20
  4. Step 4: Simplify right side
    134,800.40x = 13,839,660,507.12
  5. Step 5: Solve for x
    x = 13,839,660,507.12/134,800.40
  6. Step 6: Final answer
    x = 102,667.80

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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.